一般疑问句练习姓名_ 班级_把下列陈述句改为一般疑问句,并作肯定回答与否定回答。1.This is a pen.一般疑问句_肯定回答_否定回答_2.That is a pencil.一般疑问句_肯定回答_否定回答_3.This is my rubber.一般疑问句_肯定回答_否定回答_4.That is my crayon.一般疑问句_肯定回答_否定回答_5.This is your jacket.一般疑问句_肯定回答_否定回答_6.That is your blouse.一般疑问句_肯定回答_否定回答_7.This is Helen.一般疑问句_肯定回答_否定回答_8.That is Mike.一般疑问句_肯定回答_否定回答_9.I am Sam.一般疑问句_肯定回答_否定回答_