此题要求改正所给短文中的错误。对标有题号的每一行作出判断：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：
此行多一个词：把多余的词用斜线（\）划掉。在该行右边横线大写出该词，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。
One day Mr. White made a very nice models plane.                    __________
All his children liked it very much and wanted to play it                 ___________
first. They quarreled as they could not agree with                                  ___________
each other. Mr. White thought hard and then he has                         ___________
an idea. He got his children together, said “This plane                     ___________
is only for best child. He or she never quarrels with Mother                    ___________
and always helps doing housework.” The children looked                ___________
at him sad when they heard their father’s words. Then they              ___________
had an idea. The eldest brother said, “We think of it is only                    ___________
for you, Dad !” With the word, the children ran away.                     ___________