题目内容
－Is Tom at school today?
－No, he is at home ________ his mother is ill．
[ ]
A．when
B．but
C．if
D．because
答案：D
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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 |