I didn't know what--------then.A.he was doing B.was he doing C.he is doing D.is he doing
I didn’t know what--------then.A.he was doing B.was he doing
答案:1 悬赏:70 手机版
解决时间 2021-03-21 22:08
- 提问者网友：酱爆肉
- 2021-03-21 06:08
最佳答案
- 五星知识达人网友：空山清雨
- 2021-03-21 06:35
A.he was doing 宾语从句,时态和主句保持一致,C时态不对；因为是从句,要用陈述句,B和D是特殊疑问句.
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