he has been working so hard he could answer such a difficult question. A. No wander B.

发布时间：2020-08-16 14:28:04

he has been working so hard .      he could answer such a difficult question.
A. No wander
B. No wonder
C. why
D. because

网友回答

A. No wander
(答案→)B. No wonder
C. why
D. because
解析：本题的含义是他一直学习很努力，怪不得他能够回答出这么难的问题，no wonder表示难怪或怪不得的意思，符合本题的含义，故本题选B。
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