英语题解答一下哈

1）Who will the ball belong ____？可以填to吗？

2）We could’t fly kites because there was too much_____.可以填helicopter吗？

3)If the book isn't mine ,______? 是选B吗？

A.who can it be

B.whose can it be

C.who it can be

D.it can be whose

1 to

2helicopters

3是，要主宾一致