1.Sonja has to do some exercise to stay healthy.（改为否定句）

题目

1.Sonja has to do some exercise to stay healthy.（改为否定句）
Sonja doesn't （have） to do （ ）exercise to stay healthy.
第二个空格我觉得是any,但是参考答案是some,哪个正确,为什么呢?
2.Sally says she is nervous because she has a bad cold.（改为同义句) Sally says she is （stressed）out because she （ ）a bad cold.第二个空格参考答案是gets或catches,为什么不是has?
3.Lucy is （feeling） very tired now
Everybody （gets） tired sometimes.
空格里的两个单词是固定的还是只要变换形式还是可以互换的,为什么?
4.He doesn't like going away （ ）a long time.
空格里我填了for,但参考答案是from,为什么?

答案

1.You are right,"some" is incorrect here.I suspect that your English teacher was only asking for the change to the negative expression and forgot the difference between "some" and "any."2.Technically,...