Question

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

Answer 1

【答案】：A

句型It is imperative that…+V(动词原形)…表示“……是必须的”，句意为学生必须按时上交他们的学期论文。因此正确答案为A。