摘要： is bad for health. It causes lung cancer.
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Read and choose the best answer
Is your aunt your mother's sister?
[ ]
A．Yes, he is.
B．Yes, she is.
C．No, he isn't.
查看习题详情和答案>>Find and correct the mistake
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A new |
factory |
is |
builting |
now. |
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A |
B |
C |
D |
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