句型转换。

1.  Zoos provide homes for many endangered animals.  (改为同义句 )

     Zoos       many endangered animals                 

2.  I am writing to say that I am against building a new zoo in our town. (对画线部分提问)

                are you                                     ?

3.  I think that animals should not live in zoos (改为同义句)

    I       think that animals                  in zoos.

4.  It's easy to recycle paper and books. (改为同义句)

        ____ paper and books        easy,

5. You have probably never heard of Amy Winterbourne.（改为反意疑问句）

    You have probably never heard-of Amy Winterbourne,                 ?

小红铅笔的支数是小明的2倍，她从中拿出15支捐给了希望工程，正好是他们两人支数的总和的一半，则小红原有铅笔多少支

A．15

B．18

C．20

D．23