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第(20)处填写：
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How long will it take you to go home by train?
How long will it take you to go home by train?A． About 20 hour B． So lon C． Very
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Which of the following is the cause of working longer hours
Which of the following is the cause of working longer hours stated by the writer
第(45)题：
第(45)题：
The phrase “whacked with” in the second paragraph probably m
The phrase “whacked with” in the second paragraph probably meansA．hit hard b B．c