Boys, you _______ talk loudly in the classroom!
A.mustn’t B.couldn’t C.needn’t D.wouldn’t
We need to interview some students and _______ if they like Chemistry.
A.work out B.put out C.find out D.hand out
—When shall we go to the museum?
—We’ll set out _______ David arrives.
A.since B.as soon as C.even if D.so that
Before buying expensive things, you’d better think them over and over then make a _______.
A.information B.notice C.decision D.difference
It often takes me two hours _______ playing the violin.
A.practice B.to practice C.practicing D.practices
Lily was watching TV when her mother _______ home from work.
A.got B.gets C.will get D.is getting
