用在某些固定词组中: Have a swim/talk/walk/dance/look/quarrel, have a cold, have a good time, keep a diary, in a hurry, once in a while, at a loss, for a while, once upon a time, all of a sudden, tell a lie, do sb. a favor, at a mouthful, at a distance, as a matter of fact (二)..定冠词的用法 【查看更多】
