In case of fire, stay low to the ground in a smoky room, ________ smoke always rises towards the ceiling.
A. as B. when C. while D. once
Everything on the news ________ a whole new meaning when you have a personal connection with the people.
A. takes up B. takes on C. takes away D. takes off
Girls used to take fewer advanced math courses than boys but now they are taking just _______.
A. as much B. so much C. as many D. so many
The latest major disaster that occurred in Zhejiang paralyzed traffic, caused blackouts and ______ water supplies for days.
A. cut down B. cut off C. cut up D. cut out
Children of divorced parents ______ have difficulty in forming stable relationships themselves.
A. will B. should C. may D. could
—I slipped on the stairs. I think my arm is broken.
—Oh! I ______ .
A. don’t hope so B. hope not C. hope not so D. don’t hope
