句型转换。
Jim comes from the US.(就画线部分提问)    ________ ________Jim ________from?
This is my desk. (改为一般疑问句, 并做否定回答)
-________this________ desk?     -________, it ________.
She is a nurse. (对画线部分提问)
________ ________she ________?
The camera is Tony’s. (对画线部分提问)
________ camera is this?
They are cleaning the room. (对画线部分提问) ________ ________they ________?