By the time I was nine ,I hundreds of English words.
A. had learned
B. have learned
C. has been learned
D. had been learned
By the time I was nine ,I hundreds of English words.A. had learnedB. have learnedC. has b
答案:2 悬赏:10 手机版
解决时间 2021-01-03 11:28
- 提问者网友：我的未来我做主
- 2021-01-02 15:18
最佳答案
- 五星知识达人网友：孤老序
- 2021-01-02 16:32
(答案→)A. had learnedB. have learnedC. has been learnedD. had been learned解析：句意:到我九岁的时候，我就学会几百个英语单词了。by the time 后跟从句，表示到…时候，从句中常用一般过去时，主句用过去完成时。而且I和learn 之间是主动的关系，不应该用被动语态，故C、D不对。B选项是现在完成时。故选A。
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- 1楼网友：时间的尘埃
- 2021-01-02 17:58
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