听句子，选出合适的答语（）

A.4. A. They are books

B.They are red

C.They are on Shelf C

A.2.A. Yes, I did

B.Yes,he did

C.Yes,she did

A.No，they aren't

B.They'er black

C.They are his pens

A.Yes，she is

B.Yes，he is

C.He is in a blue jacket

A.6

B.Icanplaychess

C.Iwanttojointhesportsclub

D.Hecanplaytheviolin

A.It’s red

B.It’s Sunday

C.It’s a kite

A.Yes, there are

B.t ten p.m

C.There are ten

A.It is on the desk

B.Yes, it is

C.It is red