完成句子。

1.这东西用英语怎么说?

What's this               ?

2. - 那些是谁的鞋子?-是他们的. 

-        shoes are those?

- They are           .

3.我长着一张大嘴,而她长着一张小嘴.

I        a wide mouth, but she        a small mouth.

4.他们看起来一样.

They                                    .

5．她是一个英国女孩.  

She is                                  .