—May I speak to Tom, please?—But he for work an hour ago.A. set aboutB. set offC. took o

发布时间：2020-08-16 23:48:36

—May I speak to Tom, please?
—But he       for work an hour ago.
A. set about
B. set off
C. took off
D. took over

网友回答

A. set about
(答案→)B. set off
C. took off
D. took over
解析：短语辨析。A开始做某事；B引爆，使…发生;使…开始；C脱掉，起飞；D接管；句意：—我可以找Tom说话吗？—但是一个小时前就开始工作了。根据句意说明B正确。
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