- Why do you look so worried?
- My MacBook Pro broke down and my paper unfinished since.
A. was left
B. has left
C. left
D. has been left
- Why do you look so worried?- My MacBook Pro broke down and my paperunfinished since.A. w
答案:2 悬赏:10 手机版
解决时间 2021-12-30 15:22
- 提问者网友：相思似海深
- 2021-12-29 20:16
最佳答案
- 五星知识达人网友：何以畏孤独
- 2021-12-29 21:12
A. was leftB. has leftC. left(答案→)D. has been left解析：考查时态。since后省略了“it broke down”，since+含有一般过去时的句子，与现在完成时连用；排除A、C；my paper和leave是动宾关系，用被动语态，故选D。
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- 1楼网友：妄饮晩冬酒
- 2021-12-29 22:26
我也是这个答案
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