------This is really a difficult problem.
------Yes, that’s true, but she managed to solve it.
A. failed to solve
B. liked to solve
C. succeeded in solving
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 |