—Jane, have you finished your paper?
—No, I my sister with her drawing all the morning.
A. help
B. helped
C. was helping
D. have been helping
—Jane, have you finished your paper?—No, I my sister with her drawing all the morning.A.
答案:2 悬赏:50 手机版
解决时间 2021-04-08 17:54
- 提问者网友：却不属于对方
- 2021-04-07 20:50
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- 五星知识达人网友：廢物販賣機
- 2021-04-07 21:48
A. helpB. helpedC. was helping(答案→)D. have been helping解析：考查时态。本题的关键词是后面的时间状语all the morning该词与现在完成进行时连用，表示动作从过去开始一直持续到现在，还在发生。句意：—Jane,你写完论文了吗？—没有，整个早晨我都在帮助我的姐姐在画画。故D正确。
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- 1楼网友：七十二街
- 2021-04-07 22:21
就是这个解释
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