1.Dad is used to smoking and drinking.There's no chance ________ I'm able to talk him into ________.
A.whether;giving it up
B.of whether;giving them up
C.that;getting rid of them
答案 C [由smoking and drinking可知，A、D中的代词错误。B项翻译不通。注：that引导的是一个同位语从句。]
2.Keep in mind ________ you want others to respect you，you must respect others first.(2011·湖北鄂州市高三上学期模底考试)
A.that when B.that if
C.if when D.when if
答案 B [that引导一个宾语从句，宾语从句中又有一个if引导的`条件状语从句。]
3.Shenzhen was only a small fishing village compared to ________ it is now.
A.which B.that C.what D.where
答案 C [to后是宾语从句，is后缺表语，故用what。]
4.Think about ________ you are good at and ________ you enjoy and build on those abilities.
答案 D [think about后跟两个宾语从句，at后缺宾语，第一空需填what，enjoy和build缺宾语，第二空也需填what。所以选D。]
5.________ seems strange to us is ________ the troublesome boy is getting along well with all his teachers.
答案 D [第一空是主语从句，从句缺主语用what，第二空是表语从句，从句的成分完整用that。]
6.________ words I use can not express my appreciation of your timely help.
A.Whatever .How many
C.No matter what D.Whichever
答案 A [no matter what一般不引导名词性从句，这是一个主语从句，所以排除C。B、D语义不通，可排除。]
7.Human beings are different from animals ________ they can use language as a tool to communicate.
A.in that B.for that
C.in which D.for which
答案 A [in that是“在……这一点上”的意思，引导状语从句。]
8.________ climber gets to the top first will get a ￥5,000 prize.
A.No matter when B.Whichever
C.No matter which D.Whenever
答案 B [A、C项不引导名词性从句，又因为主语从句中缺少主语，故选B。]
9.Along with the letter was her promise ________ she would join us in the work.(重庆酉阳一中高三第四次月考)
A.which B.what C.that D.whether
答案 C [promise后是一个同位语从句，且从句不缺成分故用that。D项翻译不正确。]
10.Many of the creatures in Rowling's world are not real，and much of ________ happens is strange.
A.which B.that C.what D.it
答案 C [of后的________ happens是一个宾语从句，从句缺主语，故选what。]
11.________ some teenagers don't realize is ________ difficult life can be after they get addicted to drugs.
C.That;what D.What;what a
答案 A [第一空：主语从句缺宾语用what。第二空：是表语从句，正常语序为：life can be ________ difficult after they get addicted to drugs，就很容易填上副词how了。故选A。]
12.They began to think about ________ could be made of these valuable materials.(浙江温州中学高三1月月考)
A.how use B.full use
C.better D.what use
答案 D [短语make use of(利用)中的use是名词可用形容词what来修饰。how是副词，不可修饰名词。]
13.There was a big argument among the children about ________ move to a new house.
A.if they should B.that they ought
C.if should they D.whether they should
答案 D [连词that和if都不能直接放在介词之后，可排除A、B、C。]
14.________ sometimes keeps her awake at night ________ Tom is getting more and more quiet at home.
答案 B [it作形式主语，that引导从句作真正主语，如选D项句子缺谓语。]
15.—I rang you at about nine，but there was no reply.
—Oh，that was probably ________ I was seeing the doctor.(天津一中高三上学期第五次月考)
A.why B.when C.what D.that
答案 B [根据语境该选B，when引导表语从句，同时又在从句中作时间状语。]
16.His mother did ________ she could ________ the boy.
C.what;to help D.that;to help
答案 C [第一空：是宾语从句，could后省了do，what作这个do的宾语。第二空：不定式表目的。故选C。]
17.It isn't expected ________ he said caused so much discussion at the meeting.
A.that B.what that
C.what D.that what
答案 D [D项中that引导主语从句，what he said又在主语从句中作主语，what作said的宾语。that引导主语从句时一般不省，所以排除C。]
18.Some language experts think we learn languages in the same way ________ we learn other things，and ________ we are born with is a general ability to learn and adapt.
A.不填;that what B.which;what
C.that;what that D.in which;that
答案 A [第一空：这是定语从句，先行词是way，从句中缺状语，可用关系词that/in which(可省)。第二空：由that引导宾语从句，what又在宾语从句中引导主语从句，同时充当with的宾语。故选A。]
19.It was the first time Agassi had understood ________ real champions finally understand：winning is a test of nerves and not just power.
A.that B.what C.how D.when
答案 B [这是一个宾语从句，understand后缺宾语，故用what。]
20.Thinking that you know ________ in fact you don't know is a serious mistake.(吉林长春市高三第一次模拟)
A.what B.that C.when D.however
答案 A [把这句话写完整应该是：Thinking that you know what in fact you don't know is a serious mistake.句意：认为你知道了事实上不知道的东西，那是一个严重的错误。]
21.We will all appreciate ________ you can come to join us in developing our hometown.
A.that if B.it if
C.it that D.that when
答案 B [appreciate跟it作形式宾语，if you can come to join…可视为真正的宾语。]
22.Much to the couple's comfort，their income is now double ________ it was five years ago.
A.that B.than C.which D.what
答案 D [这是一个由what引导的表语从句，what同时又在从句中充当表语。]
23.In peace，too，the Red Cross is expected to send help to ________ there is human suffering.(江西九校联考一模)
答案 B [wherever引导宾语从句，同时又在从句中作地点状语。]
24.It was in time of danger ________ he made the final decision ________ they should send more doctors there.
答案 D [第一空是强调句型，第二空that引导同位语从句。]
25.The news ________ is spreading around the airport is ________ a heavy storm is coming.
答案 B [第一空：是定语从句，从句缺主语，可用that或which，作主语的关系代词一般不省，可排除A、C。第二空：是同位语从句，从句不缺成分，故选B。]
26.If you leave this application form and go to another website，you will lose ________ you have already filled out on this form.(福建泉州市高中毕业班临考质量检查)
A.whatever B.no matter what
C.whichever D.no matter which
答案 A [这是宾语从句，filled out缺少宾语，所以填whatever。C、D语义不对;B项一般不引导名词性从句。]
27.Do you have any idea ________ electricity plays such an important part in our daily life?
A.why is it that B.how it is that
C.why was it D.when it was that
答案 B [这是同位语从句，从句的主谓一般是不倒装的，即可排除A、C。D项的时态不正确。]
28.—Does it matter much ________ the sales manager won't attend the meeting tomorrow?
—I've no idea.(江苏六合高级中学高三下学期调研考试)
A.whether B.what C.when D.that
答案 D [it作形式主语，真正的主语是that引导的从句，whether翻译不通。]
29.As days go on，I think that Beijing will become ________ the whole world pay close attention to.
A.where B.what C.which D.that
答案 B [what引导宾语从句，在从句中作pay attention to的宾语。]
30.________ David says sounds right to Helen.That's why she has made up her mind to leave him ________ happens.
B.No matter what;whatever
C.No matter what;no matter what
答案 A [第一空：是主语从句，由于no matter what不引导名词性从句，所以排除B、C。第二空：是宾语从句，从句缺主语，即可排除D。故选A。句意：戴维说的每句话，海伦都觉得有道理，所以，她决定把一切都交给他来处理。]