There is still high possibility, ________ can be seen at the moment, ________ our company can beat the opponents (对手).
| A．which; when | B．where; that | C．that; which | D．which; that |
In the last few years thousands of films _____ all over the world.
| A．have produced | B．had been produced |
| C．have been produced | D．were being produced |
____ the dog barking fiercely, away_____.
| A．To hear; running the thief |
| B．Hear; was running the thief |
| C．Heard; the thief ran |
| D．Hearing; ran the thief |
— Make sure you have turned off the air conditioners before going out.
— _____.
| A．Heard it | B．Got it |
| C．Forgot it | D．Made it |
How long is it _____ we last spent the holiday in the countryside together?
| A．until | B．before |
| C．since | D．After |
_____air pollution getting worse, the government needs to come up with some effective measures to deal with it.
| A．With | B．Because | C．As | D．For |