It is requested that every student_________a paper on air pollution.
A. writes
B. wrote
C. writing
D. write
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l insisted that all the students________to smoke at school.
A. not be allowed
B. not allow
C. were not allowed
D. not should be allowed
Without his encouragement, I______________the confidence to finish it at all.
A. would have
B. wouldn't have
C. would have had
D. wouldn't have had
The doctor recommended that he _____________for a few days.
A. rests
B. rest
C. rested
D. willrest
It is very necessary that our homework ___________in on time.
A. are handed
B. is handed
C. be handed
D. should hand
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