单项选择题

Where is Mr.Green?（）the library.

A.He's gone to
B.He's been to
C.He isn't in
D.He's out

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单项选择题

A.She's from England.
B.She's at home.
C.She's not back.
D.She's very well.

单项选择题

A.She's in England.
B.She's from London
C.She's a nurse in England.
D.She is English

单项选择题

A.careful
B.carefully
C.more careful
D.more carefully