题目内容：

选择并用其适当形式填空：aren it,are,is,isn it,am,these,this,not.( )she Marina?Is( )your bike?
( )you Kumiko?No,I（ ）not.I( )HanMei.I am Chinese!Are ( ) your books?---Yes,they are.( )you a student?——No,I （ ） not.

优质解答

( Is )she Marina?Is (this) your bike?( Are )you Kumiko?No,I（am ）not.I ( am )HanMei.I am Chinese!Are ( these ) your books?---Yes,they are.( Are )you a student?——No,I (am） not.