. — Why does the Lake smell terrible?
—Because large quantities of water______.
A. has polluted B. have been polluted
C. has been polluted D. is being polluted
Peter’s jacket looked just the same as Jack’s, but it cost ______ his.
A. as much twice as B. as twice much as
C. much as twice as D. twice as much as
. Everybody was touched ______words after they heard her moving story.
A. beyond B. within C. of D .in
. 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
