问题

It is hard to imagine what progress they _____ in the past few months.[ ]

A: made
B: have made
C: had made
D: make

正确答案是：

同类题型

I ______ Mr White at that time, otherwise I wouldn’t have asked you for some information about him

27. Do you know what use people _______ pines after they’re cut down?

I will call you as soon as he _______here tomorrow.

Women _______ drink more than two cups ofcoffee a day have a greater chance of having heart disease than those______ don’t.

How was your interview last Monday— ____.