— sweep the classroom yesterday？
—I was playing tennis with my friend．
A. Why not
B. Why didn't
C. Why don't
D. Why didn't you
— sweep the classroom yesterday？—I was playing tennis with my friendA. Why notB. Why did
答案:2 悬赏:50 手机版
解决时间 2021-03-24 10:49
- 提问者网友：兔牙战士
- 2021-03-23 20:19
最佳答案
- 五星知识达人网友：西风乍起
- 2021-01-24 16:05
A. Why notB. Why didn'tC. Why don't(答案→)D. Why didn't you解析：选项B、C错误，因为句子缺主语；选项A错，因为“Why not（+动词原形）”这一结构通常不用于过去（即不与过去时间连用）。
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- 1楼网友：大漠
- 2019-06-26 13:25
我也是这个答案
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