It is important that we should eat some healthy food(用to do 句型改为同义句)

题目

It is important that we should eat some healthy food(用to do 句型改为同义句)
It is important _____ _____ _____ _____ some healthy food.
To play football is very difficult.(同义句转换)
_____ _____ very difficult _____.
He hopes that he will be a famous writer.(同义句转换)
He hopes _____ _____ a famous writer.

答案

for us to eat
it is to play football（或playing football）
to be