19.I have many kinds of balls, __________ball,__________ and __________.

18.My tennis __________ is there. It's under the bed.

17.What's that? That's a__________ __________.I can play baseball with it.

16.　 A: Let's play volleyball.

B: 　 That(sound, sounds) good.

C.根据句意填词完成句子(每空一词)(10 分)

15.　 Let(she, her) sit down.

14.　 Where (is, are) these soccer balls? They are under the bed.

13.　 Can you bring your basketball(to, in) school?

12.　 Does Mary have two(pencils case, pencil cases)?

11.　 He(isn't, doesn't) have a volleyball.

10.　 Do(they, Peter) like computer game?