单项选择题
您的浏览器不支持 audio 元素。
A.You problem may not be understood correctly.
B.You don’t know if you are complaining at the right time.
C.Your complaint may not reach the person in charge.
D.You can’t tell how the person on the line is reacting.
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单项选择题
A.He has proved to be a better reader than the woman. B.He has difficulty understanding the book. C.He cannot get access to the assigned book. D.He cannot finish his assignment before the deadline.
A.He has proved to be a better reader than the woman.
B.He has difficulty understanding the book.
C.He cannot get access to the assigned book.
D.He cannot finish his assignment before the deadline.
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单项选择题
______, the crops would have died.
A. If it didn’t rain
B. Had it not rained
C. If it doesn’t rain
D. Should it rain
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