不定冠词的用法

不定冠词的用法 ?泛指—类人或物。 eg. This is a pencil case. ?指不具体的某个人或物。 eg. I met an old man On my way home. ?用在序数词前,相当于another. eg. There’s a third boy near the shop. ?表示“每—，个，”,相当于every. eg. They have music lessons twice a week. 必背! give a lesson take a bath have a rest 教，一堂，课 洗，个，澡 休息 have a talk have a fever have a good time 听报告 发烧 过得愉快 have，take，a walk have a headache have a nice trip 散步 头疼 旅途愉快 a lot of, a lot, a little, a few, a glass of, such a,an, have a word with, have a look, have a try, have a swim, a quarter, half an hour, three times a day, have a talk, give a talk, ten Yuan a kilo