题目内容：

词汇运用(每小题1分,共5分)

根据句意,用所给单词的适当形式填空。

1. My father and my uncles are all ___________ (policeman).

2. That is the ______ (begin) of the garden tour.

3. Are the doctors and nurses in the hospital ______ (friend) to you?

4. The koalas often sleep during the day and eat  ______(leaf) at night.

5. Mary enjoys _________(watch) soccer games very much.