She is typing a letter.She is sweeping the floor.
请问typing a letter.和sweeping the floor
中间一个用a一个用the
请问词用a?什么词用the?
人气：371 ℃ 时间：2019-11-15 07:47:46
解答
a 仅仅表示数量,the则为特指.
这里两句的意思分别是：她在打一封信.她正在扫地.
一般扫地有固定搭配,也就是sweep the floor.
而另一句如果要表达说她正在打这封信,上下文有提到这封信就是她在打的,那就要用the了.
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