—How long have you known the doctor ?
— he helped me three years ago.
| A．When | B．Before | C．Because | D．Since |
I seldom ______ TV ____ the evening.
| A．see; at | B．see; in | C．watch; in | D．watch; at |
Will you stay at home ____ Sunday morning?
| A．in | B．on | C．at | D．to |
—Mum, _________ I play football?
—Yes, you can. But you should finish your homework first.
| A．must | B．may | C．will | D．need |
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.
| A．on | B．at | C．for | D．with |