短文改错

此题要求改正所给短文中的错误.对标题号的每一行做出判断：如无错误，在该行右边的横线上划（√）；如有错误（每行只有一个错误），则按下列情况改正：

此行多一个词：把多余的词用斜线划掉，在该行右边横线上写出该词，并也用斜线划掉。

此行缺一个词：在缺词处加一个漏字符号（^），在该行右边横线上写出该加的词。

此行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。

注意：原行没有错的不要改。

America is a huge country, but traveling is also very quick           1．       

and very easy. A visitor who wants to see much of the                        2．       

country as possible should travel by bus. There is fast bus                   3．       

services between cities, for an example, the Greyhound Bus                 4．       

service, that has a picture of a dog on the side of the bus.                    5．       

The seats are softly with a reading lamp over each one and                  6．       

they lean back for sleeping on night. On their long                               7．       

distance buses there is a toilet or other comforts. Stops                       8．       

are making for meals at roadside restaurants. It takes                          9．       

about three and a half day to across the country by bus.                     10．