【Before______(walk)acrosstheroad,youshouldlookleftandright.是用原型?】
2020-11-02 177次 反馈错误 加入收藏 正确率 : 100%
题目内容:
Before ______ (walk)across the road,you should look left and right.是用原型?
优质解答
walking - 追问:
- 为什麼要用“to”:it's good to do sth.
- 追答:
- it只是个形式主语,没有具体意义,to do sth这个不定式短语才是句子的真正主语
- 追问:
- he ____(受伤)his leg just now
- 追答:
- hurt
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