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。
My father and my uncles are all ___________ (policeman).
That is the ______ (begin) of the garden tour.
Are the doctors and nurses in the hospital ______ (friend) to you?
The koalas often sleep during the day and eat  ______(leaf) at night.
Mary enjoys _________(watch) soccer games very much.