题目内容
It was ________ he was ill that he couldn't come.
[ ]
|
A.because |
B.as |
|
C.since |
D.for |
答案:A
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题目内容
It was ________ he was ill that he couldn't come.
[ ]
|
A.because |
B.as |
|
C.since |
D.for |