A-A+
It is imperative that students ______ their term papers on time.[2004]A．hand inB．would han
问题详情
It is imperative that students ______ their term papers on time.[2004]
A．hand in
B．would hand in
C．have to hand in
D．handed in
请帮忙给出正确答案和分析，谢谢！
考点：
