---- You look tired.
---- Yeah, I since 4 o’clock.
A. had played
B. have been playing
C. am playing
D. have been played
---- You look tired. ---- Yeah, I since 4 o’clock.A. had playedB. have been playingC. am
答案:2 悬赏:50 手机版
解决时间 2021-01-03 08:38
- 提问者网友：放下
- 2021-01-02 20:16
最佳答案
- 五星知识达人网友：由着我着迷
- 2021-01-02 21:17
A. had played(答案→)B. have been playingC. am playingD. have been played解析：本题的含义是你看起来累了。是的，我自从4点钟就一直玩到现在，表示过去的事一直持续到现在，而且现在正在进行，可用完成进行时，结构为have been doing，故本题选B。
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- 1楼网友：不甚了了
- 2021-01-02 21:36
我好好复习下
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