. Experts have warned ______ of the health risks caused by passive smoking.
A. at a time B. at one time C. for some time D. for the time
. — How about your journey to Mount Emei?
— Everything was wonderful except that our car ______ twice on the way.
A. slowed down B. broke down
C. got down D. put down
. He was told that it would be at least three more months______ he could recover and return to work.
A. before B. when C. since D. that
How much ______she looked without her glasses!
A. Well B. good C. better D. best
People try to avoid public transportation delays by using their own cars and this ______ creates further problems.
A. in short B. in turn C. in doubt D. in case
. A notice was ____in order to remind the students of the changed lecture time.
A. sent up B. given up C. set up D. put up
