Question

英语高手进！（要有答题理由，回答好加分） 谢谢啦！ 在线等！

改变句型：Mrs.White told Tim that he mustn't throw paper on the ground.（改为简单句）
Mrs.White told Tim _____ _____ throw paper on the ground.
The boy forgot when he should take the medicine.（改为简单句）
The boy forgot _____ _____ take the medicine.
I don't want to travel by ferry any longer.（保持句意不变）
I _____ _____ want to travel by ferry.
Mum didn't say anything after hearing the news.（保持原意）
Mum __________ after hearing the news.

Answer 1

not to（tell sb. not to do sth.告诉某人不要作某事，即tell sb. to do sth.的否定）；
when to （宾语从句的省略形式；条件是主句的主语和从句的主语一致，这里都是he，同时动词不定式to do 有表示将来的意味）
no longer（not…any longer=no longer;no longer 放于Be、情态动词、助动词之后，实义动词之前）
最后一题填一个词吗？

Answer 2

do not
when to
no longer
said nothing