初中 二年级的 英语题,在线求

题目

初中 二年级的 英语题,在线求
He works as a guide.
He _____ as a guide. (我认为是serves,可不知道对不对)
Smoking causes cancer.
Smoking ______ the _______ of cancer.
The rain stopped us from coming on time.
(用英语解释stopped,就是同义词替换)
We should speak English (as much as we can).用英语解释,同义词替换
谢谢高手们的解答
最后一题应该是 as much as possible

答案

1 serve as 的意思是充当,用于,一般都是指物.
2 Smoking is the cause of cancer.
3 prevented
4as much as possible和as much as we can就是同义词,在这句话中可以相互替换.