It's time to do our homework.改为同义句.应该改成 It's time （ ） （ ） （ ）.
问题描述：
It's time to do our homework.改为同义句.
应该改成 It's time （ ） （ ） （ ）.
答
It's time we do our homework.
答
It's time for doing homework
It's time for sth./doing sth.
It's time for sb.to do sth.
It's time to do sth.
这四个句型可以互换!