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This is your pencil. ________ is over there, on the desk.
A. IB. MeC. My D. Mine
1.This is your sister.(改为一般疑问句)
your sister?
2.This is my parent.(改为复数形式)
are my .
3.Those are my friends.(改为单数形式)
is my .
4.That is a pen. (改为否定句)
a pen.
5.That is a pencil.(对划线部分提问)
that?