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　beforeMost 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?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( ).