题目内容：

Why don't you ask your parents for help?(改为同义句）
Why don't you ask your parents for help?( 改为同义句）
_____ ________ ask your parents for help?

优质解答

应填 Why notwhy not 意思是"为什么不呢'' 一般用在疑问句中,表示提建议.why not 后面要跟动词原型.下面举一个例子:Why not have a picnic this afternoon?今天下午去野餐怎么样?why not ＝why don't you二者用法是...