We must be aware of the potential causes of traffic accidents and act to prevent them—this is true ____ everyone.
| A．for | B．to | C．with | D．of |
Could it be in the restaurant in ________ you had dinner with me yesterday ________ you left behind your keys and wallet?
| A．which; which | B．which; that | C．that; where | D．where; that |
Every possible means _____ to prevent the air pollution, but the sky is still not clear.
| A．is used | B．are used | C．has been used | D．have been used |
____ the PX project will be called off depends, for it still needs more research and discussion.
| A．That | B．Whether | C．Where | D．What |
Those who are always talking loudly in public should remind ________ of the feelings of other people.
| A．them | B．themselves | C．theirs | D．oneself |
Young as he is, Sunyang must have gained ________ rich experience in ________ society as well as sports.
| A．the; the | B．a; / | C．/; / | D．/; the |