题目内容：

用所给词的适当形式填空。(5分)

1.Tomorrow   (be)my birthday. I’ll have a party.

2.Let’s   (buy)her a new phone.

3.There are a lot of   (potato)in the bag.

4.   (this)are my English story books.

5.Lucy is the   (one)student to get full marks(得满分).