If the boy had _____ the dog alone it wouldn't have bitten him.
| A．set | B．left | C．had | D．put |
Thanks to the Party’s opening and reform policy, people in China are ______ than they were thirty years ago.
| A．well off | B．quite better off |
| C．more better off | D．much better off |
If you hurry up, I think it quite ______that you will catch the flight to Hong Kong. There are 40 minutes left.
| A．probably | B．possibly | C．likely | D．certainly |
All______ to the earthquake-hit areas were cut off, which made the rescue much more difficult.
| A．means | B．approaches |
| C．plans | D．projects |
David woke up one morning to find both water and electricity _______ because he hadn't paid the bills.
| A．cut off | B．cut down | C．cut in | D．cut out |
Yuan Longping is such a(n) ______ scientist that he has been praised and rewarded many times.
| A．frightening | B．amazing |
| C．disturbing | D．outstanding |