Watch out for these animals! They could be terrified ______ a sudden loud noise．
| A．being there | B．should there be |
| C．there was | D．there have been |
Do you mind if I ____with my work while you are getting tea ready?
| A．carry out | B．come on | C．carry on | D．go over |
The gentleman does not ____the argument but watches the other guests.
| A．drop in | B．fill in | C．put in | D．join in |
If people keep polluting the rivers, no fish there will survive ___.
| A．at all cost | B．for a long while | C．in the long run | D．by no means |
____ the weather, the athletic meetings will be held on time.
| A．Instead of | B．In relation to | C．On behalf of | D．Regardless of |
The ground is slippery. Hold onto the rope and don’t ____.
| A．put off | B．turn up | C．let go | D．take apart |