Question

初中英语问题37

model B:tom has made a lot of friends.

he came to china last year.(since)

tom has made a lot of friends since he came to china last year

1,a lot of things have happened here.you left in 1972

2,i've never met a foreigner.i began to learn english

3,he has changed a lot.he left school to work

最好解析一下

Answer 1

1,a lot of things have happened here.you left in 1972
A lot of things have happened here since you left in 1972.
自从你1972年离开之后，这儿发生了很多事情。

2,i've never met a foreigner.i began to learn english
I've never met a foreigner since i began to learn english.
自从我开始学英语以来，我从来没有碰到过一个外国人。

3,he has changed a lot.he left school to work
He has changed a lot since he left school to work.
自从他离开学校去工作之后，他改变了很多。

since引导时间状语从句，翻译为“自从...以来”时。看参考资料我的微软证书，也有since这个单词，意思是自从2002年以来，获得了****，呵呵。