他在书店又买了3本书。He bought ( )books in the bookstore.

three

当需要强调句中的主语，宾语和状语时，常用强调句：it is/was+ 被强调的部分 ＋that/who.He bought three books in the bookstore yesterday.强调主语：It was he that/who bought three books in the bookstore yesterday.强调宾语：It was three books that he bought in the bookstore yesterday...

主要区别如下："a lot of": "a lot of" 通常用于修饰可数名词的复数形式，表示"很多"或"大量"的意思。例如：There are a lot of books on the shelf.（书架上有很多书。）She has a lot of friends.（她有很多朋友。）"lot of": "lot of" 通常用于修饰不可数名词或可数名词的复数形式，...

buy + from表示“从某人或某地购买某物”，例如：I always buy my groceries from the local market.（我总是从当地市场购买食品杂货。）She bought the book from the bookstore.（她从书店买了这本书。5.除了以上用法外，buy还有一些常见的固定搭配，例如：buy in bulk（批量购买）buy on credit...

in the bookstore表示地点，应该用特殊疑问词where提问。

4、Buy a pair of gym shoes.买一双运动鞋。5、You can buy your membership at www.chesterzoo.org. 你可以在www.chesterzoo.org上购买会员。6、He had wished for a long time to buy some petty books that he had seen at the bookstore.他早就想买一些他在书店看到的小书了。

from后面要加名词的原形，不是复数形式。例如：from books（书籍），而不是from book（书）。原形指的是名词的基本形式，而复数形式是指名词表示两个或更多的形式。我来举几个例子：我从书店买了几本书。- I bought some books from the bookstore.我从大学毕业了。- I graduated from college.她...

- I bought a book for my mom.(我为妈妈买了一本书。)2.动作主体：buy sth to sb通常指一个第三方为某人购买某物，而buy sth for sb则可以是购买者自己为某人购买 例子：- He bought a bouquet of flowers to my wife.(他帮我给妻子买了一束花。)- I bought a bouquet of flowers ...

1、书店的英语是bookstore，音标是英 [b?kst?:(r)] 美 [?b?k?st?r, -?stor]，n.书店。2、例句：Unable to find the book in this bookstore, he bought elsewhere. 这家书店找不到此书, 他到别处买去了。

例如："I'll be at Jane's house tonight."（我今晚将在简的家里。）9. at 用于表示公共服务场所，例如："I'm going to the gym at 5 PM."（我将在下午5点去健身房。）10. at 用于表示大部分商店，例如："She bought a new book at the bookstore."（她在书店买了一本新书。）