题目内容

选词填空

free短语。

(1)Our medical service is ________.

(2)The streets have been swept ________.

(3)I’m ________ duty today.

(4)Most of the music is not downloaded ________ now.

答案:
解析:

(1)free of charge/for free (2)free of leaves (3)free from (4)for free


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