单项选择题

It is imperative that students__________their term papers on time．

A. hand in
B. would hand in
C. have to hand in
D. handed in

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单项选择题

Michael is very good at each subject，and it is__________that he will be admitted by theuniversity in which he has been longing to study．

A. no problem
B. no doubt
C. out of the question
D. out of question

单项选择题

It is necessary that the plan__________before Thursday．

A. were fulfilled
B. was fulfilled
C. be fulfilled
D. would be fulfilled