问题
选择题
he has been working so hard . __________ he could answer such a difficult question.
A.No wander
B.No wonder
C.why
D.because
答案
答案:B
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。