题目内容：

根据句意，用所给单词的适当形式填空。

1.Is the cup used to __________ water? (drink)

2.Don’t keep the room _________(close) when you stay in it.

3.The old man looked _________ (happy) at his lovely grandson.

4.The audience were excited because of the film star’s ___________. (arrive)

5.Of all the fruits, I like mangoes        (little), so I seldom buy them.