用already或yet,since或for,have　gone或have　　been填空　快!We have learned fine lessons( ) the beginning of this term.Mrs Liao has been in hostital ( ) last week.Where are the boy students?They ( ) to the school factory.Is your father in?N

用already或yet,since或for,have　gone或have　　been填空　快!We have learned fine lessons( ) the beginning of this term.Mrs Liao has been in hostital ( ) last week.Where are the boy students?They ( ) to the school factory.Is your father in?N
用already或yet,since或for,have　gone或have　　been填空　快!
We have learned fine lessons( ) the beginning of this term.
Mrs Liao has been in hostital ( ) last week.
Where are the boy students?They ( ) to the school factory.
Is your father in?No,he （　　　　）to　Shenzhen．（　　　）he　
ever　（　　　）　there　before?Yes,he　（　　　）
there　several　times．
He　asked　me　if　I　（）　to　Hangzhen　before
Most of us have finished our compositions( ).

用already或yet,since或for,have　gone或have　　been填空　快!We have learned fine lessons( ) the beginning of this term.Mrs Liao has been in hostital ( ) last week.Where are the boy students?They ( ) to the school factory.Is your father in?N
We have learned fine lessons( since ) the beginning of this term.
Mrs Liao has been in hostital ( since ) last week.
Where are the boy students?They ( have gone ) to the school factory.
Is your father in?No,he （has gone　　　　）to　Shenzhen．（Has　　　）he　
ever　（　been　　）　there　before?Yes,he　（has been　　　）
there　several　times．
He　asked　me　if　I　（had been）　to　Hangzhen　before
*** 猫迷英语专家团提供【Real.American.English.】

We have learned five lessons since the beginning of this term.
Mrs Liao has been in hospital since last week.
Where are the boy students? They have been to the factory.
Is your father in? ...

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We have learned five lessons since the beginning of this term.
Mrs Liao has been in hospital since last week.
Where are the boy students? They have been to the factory.
Is your father in? No, he has gone to Shenzhen. Has he ever been there before? Yes, he has been there several times.
He asked me if I have been already to Hangzhen before.

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