Question

We’d better _________ when he is thinking, as he prefers to solve problems on his own.

A．wake him up	B．set him aside
C．leave him alone	D．ring him up

Answer 1

C

解析试题分析：句意：当他思考的时候我们最好别打扰他，因为他喜欢独自处理问题。A. wake him up把他叫醒；B. set him aside 把他放在一边； C. leave him alone别打扰他； D. ring him up给他打电话。根据句意故选C。
考点：考查动词短语辨析。