---Look, the light is on. Ms Green must be in her office.
---No, it can’t be Ms Green. I saw her ______ her office just now.
A. left B.leaves C. leave
–Are you going to Shanghai by bus?
--I am not sure. It’s cheap, but uncomfortable. I _____ take a train.
| A．may | B．must |
| C．can | D．should |
The students of our class _____ to swim last month and we can swim very well now.
| A．taught | B．had taught |
| C．was taught | D．were taught |
-Math isn’t as ______ as Chinese.
-I agree with you. I think Chinese is ____ than any other subject.
| A．easy; easier | B．easier; easier |
| C．easy; harder | D．hard; easier |
–My watch is different from ______ .
-But _____ is the same as mine.
| A．Nick; yours | B．Nick’s; your |
| C．Nick’s; you | D．Nick’s; yours |
Taking photos with _____ real tiger is _______ unusual experience for us.
| A．an; an | B．a; an |
| C．the, a | D．a; a |