第二节短文改错.
此题要求改正所给短文中的错误。对标有题号的每一行做出判断；如无错误，在该行右边横线上画一个勾（√）；如有错误（每行只有一个错误），则按下列情况改正：
该行多一个词：把多余的词用斜线（＼）画掉，在该行右边的横线上写出该词，并也用斜线划掉。
该行错一个词：在错的词下面画一横线，在该行右边的横线上写出改正后的词。
注意：原行没错的不要改。
A day Li Hua went to a bookstore to buy an             1.______________
English—Chinese dictionary but some English          2._______________
grammar book. The salesman said that he was           3._______________
lucky, for they happen to have only one copy            4._______________
left. He sold it him for 15 yuan and a half. Then          5._______________
the salesman told him that he had a kind of refer--        6._______________
ence book which it would help him learn senior Eng--     7._______________
lish textbooks and that the price was 9.80 yuan a          8._______________
copy. Having been looked through the book, Li Hua       9._______________
considered it useful and cheaply. So he bought it.          10.______________