问题补充:
, I have to write the words on the paper because she doesn’t know Chinese.
A. Sometime
B. Once in a while
C. After a while
D. For a while
答案:
A. Sometime
(答案→)B. Once in a while
C. After a while
D. For a while
解析:句意:有时,我不得不把字写在纸上,因为她不懂中文。A某个时刻;B有时;C一段时间后;D暂时;结合题意选B。