They use(d)n'tto have a picnic on Sundays.
Did they use to have a picnic on Sundays
They used to have a picnic on Sundays,use(d)n't they
与be/get used to的区别。be/get used to（习惯于）后接名词、代词或者动词-ing形式。比如：
Boddy used to sleep alone in his own bedroom.
Bobby is used to sleeping alone in his own bedroom.
She used to live a quiet life in the country.
She has got used to live a quiet life in the country.
1. — ___ I stop here, sir
– No. Go on to the next paragraph, please.
A. Will B. Shall
C. Would D. Ought
2. As he has just taken up the job as a secretary, he ___ have new problems in dealing with people, but I'm sure he will solve them.
A. need B. shall
C. may D. had to