In order to be a strong partner with the AsiaPacific region, American President Obama thinks it is ________ to have a strong relationship with China.
| A．vital | B．potential | C．specific | D．awkward |
--- You needn’t take an umbrella. It isn’t going to rain.
--- Well, I don’t know. Itdo.
| A．might |
| B．need |
| C．would |
| D．should |
If you smoke, please go outside.
| A．can |
| B．should |
| C．must |
| D．may |
On arriving at the station, we ourselves into several groups to help the cleaners gather the rubbish thrown by the passengers.
| A．separated |
| B．divided |
| C．formed |
| D．broke |
_____, the pay isn't attractive enough, though the job itself is quite interesting.
| A．Generally speaking |
| B．On the contrary |
| C．In particular |
| D．To be honest |
This used to be a very pretty valley and attracted many visitors.
| A．at a time |
| B．at no time |
| C．at one time |
| D．from time to time |