- Do you often visit your grandparents? - Mmm- , I’m afraid. I usually phone the
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— 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
试题答案
D
over again反复，time and again和over again 均为又一次之意。now and again时而，只有D与题意相符。