1.How many years has it been _____ we last saw each other?

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/29 11:51:58

1.How many years has it been _____ we last saw each other?
A.since B.before C.when D.after
2.In my opinion,teenagers _______ to surf the Internet.
A.should allow B.should be allowed C.should be allowing D.should are allowed
3.-What do you think of the film you saw last night?
-It is _____.
A.about aliens B.seen twice C.worth the money D.made in China
4.The filn is _____ on a novel written by Eileen Chang.
A.based B.written C.talked D.worked

1A(since:自从)
2B(应该是被允许,故排除A和Cshould是情态动词,后面应用动词原形,排除D)
3C(题目的意思是问你对电影的看法,ABD都答非所问)
4A(be based on固定用法,根据后面的on即可判断)

how many years has it been since we last saw each other? it's been six years since we last saw each other是个什么从句? ‘It's been six years since we last saw each other’怎么翻译? It's three years since we saw each other last time = We ____ It is three years ( ) we saw each other last year.括号中应填since it is almost five years （）we saw each other last time It is almost five years ___ we saw each other last time. It _(be)five years since we last saw each other. five years ___ ____since we saw each other last time It’s ten years _____ we met each other last time.A.before B. It has been a long time since we last wrote to each other. (it is ） four years since we last saw each other.这句话括号里为什么不是