单句改错 (共5小题，每小题1分，满分5分)
此题要求改正所给句子中的错误。
每句只有一个错误。若该句多一个词，把多余的词用（﹨）划掉，在该行右边横线上写出该词，并用斜线划掉。若该句缺一个词，在缺词处用一个漏字符号（∧），在该行右边横线上写出该加的词。若该句错一个词，在错词的下面划一横线，在该行右边的横线上写出改正后的词。
注意：不要改动原句的意思。
Learning to paint well take a long time.
More and more Chinese teenagers are addicted to play games on the Internet.
My English teacher explains grammar so clearly that I feel I can make a great progress with her.
When Zhou Kai’s mother saw him heading the front door without a jacket on , she eyed him anxiously.
Eating well and you will always be healthy.