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