— It’s raining. When did it start?
— As far as I know, it ____ for three hours.
| A．rains | B．rained |
| C．has rained | D．will rain |
She _____ walk at night. How brave she is!
A.dare to B.dares to C.dare not
The old farmer felt like _____ a big house very much.
A.to get B.get C.getting
—This physics problem is too difficult. Can you show me _____, Wang Li?
—Sure.
A.what to work it out
B.how to work it out
C.how to work out it
Study hard , then your dream will _____.
A.realize B.realizing C. be realized
—Did you go to Tim’s birthday party?
—No, I _____.
A.am not invited B.wasn’t invited C.haven’t invited