问题描述:
We were playing football on the playground__suddenly it began to rain heavily.
A.as
B.until
C.while
D.when
选D
理由,关于句子的成分我不太很懂,请讲解的时候说清楚
A.as
B.until
C.while
D.when
选D
理由,关于句子的成分我不太很懂,请讲解的时候说清楚
问题解答:
我来补答展开全文阅读