用is,am,are填空

问题描述:

用is,am,are填空
1.____this is a pen?
2.Look!That____a computer.
3.How old____you?
4.I____seven.
5.Who____that?
6.I____sorry.
7.What____this in English?
8.It____an eraser.
9.____I your friend?
10.You____in my class.

1 is this a pen
2.is
3.are
4.am
5.is
6.am
7.is
8.is
9.Am
10.are