超级简单的三个句形转换````````急

题目

超级简单的三个句形转换````````急
I don't think Tom is right.改为反意遗问句.
I don't think Tom is right,____ ____?
They should be helped when they are sick.(改为一般遗问句)
_____ _____ _____ ______ when they are sick?
How do you like UNICEF?(改为同义句)
What ____ ____ _____ ____ UNICEF?

答案

is he
Should they be helped
do you think of