题目内容
Is Tom at school today?No. He’s at home __________ he has a bad cold.
A. because B. if
C. until D. before
答案：A
提示：
提示：
| because因为；if如果；until直到；before在…之前。
|
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相关题目
— Is Tom at school today?
— No, he is at home ______ he has got a bad cold.
|
A．so |
B．or |
C．because |
D．if |