* is not unique. (不是唯一的) I have just bought a book * has not been mentioned before. (之前没有提到过) There was a new student in class today. 点击获取更多托福词汇用法 2...
A)、基本用法:用于各类名词前,表特指。 1、Where are the other students? Can you swim in the river?(比较:in a river) 2、the sun, the moon, the earth, the world, the sky…(思考:a blue sky?…) 3、I have bought a book and a pen. The book is for my sister...
提到buy，大家可能还会想到另外一个动词“purchase”，这两个单词均含“购买”之意，但是二者之间也存在着小小的区别：buy 普通用词，既可指日常随意购物也可指购买大件物品，可后接双...
—Sorry,I have no idea. A、/; bought B、has; bought C、did; buy D、does; buy (点击选项查看答案) do you think 是插入语,可以将其去掉,分析句意应用过去时态和陈述语序。 点击查看...
英语中，buy和purchase这两个词都表示“购买”。buy较为口语化，用于日常生活中，表示少量、随意地日常购物；亦可表示“行贿，收买”。例句：They say the judge was bought.他们声称法...
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