Every possible means ______to prevent the air pollution, but the sky is still not clear.
| A．is used | B．are used | C．have been used | D．has been used |
Since his works earned him quite a reputation in Liverpool, he has stayed there most of his life, ___________ the occasional visit to his hometown.
| A．apart from | B．but for | C．instead of | D．regardless of |
A cat in London has been taking a bus regularly. The driver even knows where to______ this special passenger.
| A．put down | B．pick out | C．leave behind | D．drop out |
Rescuers had to __________ the search because of worsening weather condition.
| A．take off | B．call off | C．cut off | D．show off |
After careful consideration, I decide to ________ my current post so as to realize my long-held dream.
| A．dismiss | B．reject | C．resign | D．ignore |
Everything from greeting to eating can be an opportunity to do the wrong thing, and not only embarrass yourself, but _______ your host.
| A．scare | B．upset | C．tease | D．blame |