完成句子。(15分,每小题3分)
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                           .