That is a red bus.变复数形式.
That is a red bus.变复数形式.
Is that a bus?复数形式
that is a jacket 变复数形式
is that bus red or green?改为复数句
变复数句It's an appleThat's a red knife Is that your bagThis is
This is a bus. That is a sheep.的复数形式
is it a bus改为复数形式
There is a new bus on zhe road变复数形式
There is a new bus on the road.变复数形式
Is that red bus 改错
that is an orage bus 改为复数形式
is/am this that ciass bus的复数形式