問題詳情:
― Do you often visit your grandparents?
― Mmm… ________ , I'm afraid. I usually phone them.
A. over again B. time and again C. once again D. now and again
【回答】
D
解析:over again反覆,time and again和over again 均爲又一次之意。now and again時而,只有D與題意相符。
知識點:詞組 短語
題型:選擇題