He met many problems he was going over his lessons.
A. before
B. as soon as
C. since
D. while
He met many problems he was going over his lessons.A. beforeB. as soon asC. sinceD. while
答案:2 悬赏:50 手机版
解决时间 2021-01-05 05:35
- 提问者网友：饥饿走向夜
- 2021-01-04 08:42
最佳答案
- 五星知识达人网友：慢性怪人
- 2021-01-04 09:11
A. beforeB. as soon asC. since(答案→)D. while解析：翻译：当他正在复习他的功课时他遇见了很多困难A在。。。。之前B一。。。。就C自从D当。。。。时故选D
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- 1楼网友：撞了怀
- 2021-01-04 09:43
我明天再问问老师，叫他解释下这个问题
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