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

[] the morning of last monday he had been ill in bed
A;in
B;on
C;by
D;since
必须有理由
lu780216 1年前 已收到1个回答 举报

lijing452061 幼苗

共回答了20个问题采纳率:95% 举报

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

1年前

2
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