题目内容
The train _______ she was travelling was late.
[ ]
|
A.by which |
B.at which |
|
C.on which |
D.which |
答案:C
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题目内容
The train _______ she was travelling was late.
[ ]
|
A.by which |
B.at which |
|
C.on which |
D.which |