题目内容
( ) 5.——He looks tired, what's wrong with him?
―Nothing serious. But he working until 12 o'clock last night.
A. put on B. go on
C. kept on D. came on
5. C keep on doing sth.意为"一直事"。
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题目内容
( ) 5.——He looks tired, what's wrong with him?
―Nothing serious. But he working until 12 o'clock last night.
A. put on B. go on
C. kept on D. came on
5. C keep on doing sth.意为"一直事"。