He was busy writing the exam paper , only once in a while to check the time.
A. to stop
B. stopping
C. to have stopped
D. having stopped
He was busy writing the exam paper , only once in a while to check the time. A. to stopB.
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解决时间 2021-03-26 21:48
- 提问者网友：最爱你的唇
- 2021-03-25 21:45
最佳答案
- 五星知识达人网友：归鹤鸣
- 2021-01-20 14:42
A. to stop(答案→)B. stoppingC. to have stoppedD. having stopped解析：考查分词做状语。He与stop构成主动关系，使用现在分词的形式。句意：他忙于做试卷，只是偶尔停下来核对一下时间。
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- 1楼网友：雪起风沙痕
- 2019-06-12 15:47
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