The government has taken some measures to reconstruct the earthquake-hit areas, but it must be some time ________ everything returns to normal.
| A．since | B．after | C．unless | D．before |
If you win the competition, you will be given ____ to Europe for two.
| A．a free 7-day trip | B．a free trip for 7-day |
| C．a 7-day free trip | D．a trip for 7-day free |
—Can I pay the bill by check?
—Sorry, sir. But it is the management rule of our hotel that payment ____ be made in cash.
| A．shall | B．need | C．will | D．can |
Mr Black must be worried about something. You can ____ it from the look on his face.
| A．reason | B．recognize | C．read | D．realize |
—How do you think I should receive the reporter?
—____ you feel about him, try to be polite.
| A．How | B．What | C．Whatever | D．However |
—You didn’t wait for Mr. Black last night, did you?
—No, but we ____. He didn’t return home at all.
| A．couldn’t have | B．needn’t have |
| C．didn’t need to | D．should wait have |