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按要求完成任務(wù)。

1．They have got some friends．（改為否定句）

They ______________ got ______________ friends．

2．This is my teacher．（改為復(fù)數(shù)句）

______________    ______________ our teachers．

3．Are there any doctors in the factory?（作否定回答）

No，______________    ______________．

4．His sister is a Chinese teacher．（對劃線部分提問）

______________ his ______________ job?

5．The new students are from America．（同義句改寫）

The new students ______________    ______________America．