They must have been enjoying themselves there,otherwise they _________ so long.
| A．can’t have stayed | B．wouldn’t have stayed |
| C．needn’t have stayed | D．couldn’t stay |
The reason why the government decided to put off the plans to build a new airport was that the plan met with fierce _____ from local farmers.
| A．observation | B．argument |
| C．disagreement | D．opposition |
Having signed the agreement on the ceasefire, both sides have _____ it. In other words, neither of the two sides have broken the agreement so far.
| A．ignored | B．assessed |
| C．obtained | D．observed |
As there is less coal and oil, scientists are exploring new ways of making use of _____ energy, such as sunlight, wind, and water for power and fuel.
| A．primary | B．alternative |
| C．instant | D．unique |
I don’t prefer to live in Sanya. Though the sea food is delicious, the damp weather there doesn’t ________ my rheumatism(风湿)。
| A．agree with | B．agree to |
| C．agree on | D．agree about |
According to police _____, Mr. and Mrs. Hunt were found dead on the floor of their kitchen.
| A．appointments | B．accounts |
| C．agreements | D．assistance. |