He is ____man.He is ____old man

題目：

He is ____man.He is ____old man
A a,a B a,an C an,a
There are two __ and four___on the grass
A sheep,horse B sheeps,horses Csheep,horses
Look!the boys and girls__in the park
A is playing B aye play C are playing

解答：

1 B
2 C
3 C