[] the morning of last monday he had been ill in bed

问题描述:

[] the morning of last monday he had been ill in bed
A;in
B;on
C;by
D;since
必须有理由
1个回答 分类:英语 2014-12-08

问题解答:

我来补答
D
四个选项中只有since可引导现在完成时态.
从上周一早上起他就病了
 
 
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