____ do you study for a math test? —I study math ____ lots of exercises.

一The English exam is not difficult, is it?一______．Even Tim________to the top students failed in it．

It is not polite tothose persons in trouble.

Suzhou is one of China’s _______ most famous cities. It’s ______ city with many places of interest.

You didn’t use to like him much when we were at school, ___________?