—I did not know you were good friends.
—You__________. I have known her since she moved here. You were abroad then.
| A．may have | B．needn’t have | C．couldn’t have | D．must have |
Although they met with so many difficulties and hardships, they ______ finish the hard
task _____.
| A．succeeded to, in time | B．tried to, on time |
| C．sought to, by time | D．managed to, on time |
_____ really matters is not whether you will succeed or not, but rather whether you will try your best.
| A．whether | B．What | C．if | D．Which |
The heavy smoker has decided to _____ smoking, for he knows smoking _____ his health.
| A．cut down, is harmful to | B．cut up, does harm to |
| C．cut off, is harmful for | D．cut down, does harm for |
I wondered _____ they always looked down upon me.
| A．why it was which | B．why it was that | C．why was it that | D．what was it that |
As a result of the serious flood, two-thirds of the buildings in this area _____.
| A．needs repairing | B．need to be repaired |
| C．need being repaired | D．needs to repair |