摘要：不定冠词的基本用法: ① 泛指一个.如:There is a book on the table. ② 指人或事物的某一种类.如:His father is a driver. Longjing is a wonderful tea. ③ 指某一个人或事物.但不具体说明.如:My sister was saved by a PLA man in the fire. ④ 用于某一些表示重量.长度.时间等单位前.表示“每一 .如:We have meals three times a day. ⑤ 表示同样的.如:They are of an age. ⑥ 表数量.相当于one,但语意较弱.如:There is a pen and two books on the desk. ⑦ 使抽象名词具体化.如:The little girl is a help to her mother. (a hand译"帮手") ⑧ 固定搭配.如:as a matter of fact , in a hurry, in a word
网址：http://m.1010jiajiao.com/timu3_id_2494796[举报]
Beijing后面有定语从句we’ll see修饰，这时Beijing已由专有名词转化为普通名词，表特指；in the year 2018＝in 2018，也是表特指；和现在不同的城市有很多，这是其中之一，所以用不定冠词。
查看习题详情和答案>>把下列短语译成汉语，注意介词和冠词的用法。
(1)move downtown ________
(2)go up and down in the room ________
(3)go westwards ________
(4)invite suggestions from sb．________