－Dad, may I watch TV?
－No, you can’t. You _______ finish your homework first.
A. must B. can C. may
上午遇到老师和同学时，应说：______________________.
A. Hello B. Good afternoon C. Good morning.
I want to buy that bookcase, but I don’t have _________.
A. money enough B. enough money C. enough moneys
Eating more vegetables is good _______ our health.
A. with B. for C. at
I’m so thirsty(口渴), but there is ______ water in the cup.
A. little B. a few C. few
You can buy clothes _______ in Mary’s Store.
A. the cheapest B. the most cheaply C. the most cheap