55. I can’t see John anywhere. Where _____ he have gone?
| A．may | B．can | C．might | D．Should |
The farmers plan to produce three times____ in the year before last to meet the increasing need of the people.
| A．of crop as much this year as | B．as much crop this year as |
| C．as more crop this year as | D．much crop this year than |
----What do you think make Jenny unhappy and worried?
----____ her new PC.
A. Because she lost B. Lost
C. As a result of losing D. Losing
____ students have graduated from this school in the last twenty years.
| A．Tens of thousands of | B．Tens upon thousands of |
| C．Tens in thousands | D．Ten thousands of |
----Do you think I could borrow your bike? ----______.
| A．Yes, you may borrow | B．Yes, you could |
| C．Yes, help yourself | D．Yes, go on |
We’ve missed the last bus. I’m afraid we have no____ but to take a taxi.
| A．way | B．choice | C．possibility | D．selection |