In ancient China, horses are often ___ good luck .
I seldom ______ TV ____ the evening.
Will you stay at home ____ Sunday morning?
—Mum, _________ I play football?—Yes, you can. But you should finish your homework first.
It’s snowing all day, so mybrother ______ stay at home.A.must B.have to C must to D.has to
The two boys are fighting _______ each other.