问题

There are a great many books in the store, some are useful to us.[ ]

A: of them
B: in which
C: of which
D: in them

正确答案是：

同类题型

We still couldn’t decide _________ with ourdifficulties in learning English.

The newly-married couple quarreled so much that they reached the point _______ they had to separate from each other

The most important thing to keep in ________ mind when dealing with________ emergency is to stay calm.

The PLA men were highly honoured _____ what they had done for the Earthquake-stricken areas in Yushu[ ]

John received D．was finished