单选题：She __ fifty or so when I first met her at the conference.

题目内容：

She __ fifty or so when I first met her at the conference. A．must be
B．had been
C．could be
D．must have been

参考答案：

答案解析：

This is not the right ___ to ask for my help; I am far too b

This is not the right ___ to ask for my help; I am far too busy even to listen!A

分类：专四题型：单选题

__ dull he may be, he is certainly a very successful top executive.A．Although B．

分类：专四题型：单选题

根据材料，回答题。TEXT DPsychologists agree that I.Q. contributes only about 20 percent o

分类：专四题型：单选题

根据材料，回答题。TEXT BPredicting the future is always risky. But it's probably safe to

分类：专四题型：单选题

The author began to love books for the following reasons EXCEPT thatA．he began t

分类：专四题型：单选题