when is a good time --- the song? A.sing B.to sing C.singing

问题描述:

when is a good time ___ the song? A.sing B.to sing C.singing D.sang
1个回答 分类:英语 2014-11-19

问题解答:

我来补答
答案:B
动词不定式作后置定语,修饰前面的名词time.
 
 
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