The policeman came up to the lonely house with the door ______ ,_____ there for a while and then entered it.

His family are worried about him because they haven’t _____ letters from him for a long time.

下列句子中加点词的活用，不同于其他三项的是（　　）

She was really sad because she was told she ________give up volleyball.

People all like the hamburgers in the food store.—Yeah！They’re very________．