新概念英语第一册90课文 英语
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【答案】 1.Have you read this book yet?Yes,I have.
When did you read it?
I read it last year.
2.Have you done your homework yet?
Yes,I have.
When did you do it?
I did it half an hour ago.
3.Has he gone yet?
Yes,he has.
When did he go?
He went an hour ago.
4.Has she spoken to him?Yes,she has.
When did she speak to him?
She spoke to him yesterday.