问题

The exercises are extremely difficult, but half of the class_____them ahead of time.[ ]

A: has already finished
B: will finish
C: have already finished
D: finishes

正确答案是：

同类题型

I fell in love with the pretty girl ________ I saw her

___________________ —He’s a headache.

d to see each other ______,but I haven’t heardfrom him since last year

Stay in touch with people _____ you really care about and _____ really care about you.

People in Yangzhou __________ walk or ride bikes， but now they____________taking the bus or driving cars .