Paper produced every year is ______ the world’s production of vehicles.
A. the three times weight of B. three times the weight of
C. as three times heavy as D. three times as heavier as
________a certain doubt among the people as to the practical value of the project.
A. It has B. They have
C. It remains D. There remains
---Can you shoot the bird at the top of the tree?
--- NO, it’s out of _________.
A. range B. reach
C. control D. distance
There is some doubt among people _________ $749 is too much for an iPhone 5.
A. that B. whether
C. what D. if
People in Taiwan and the mainland must try hard to understand each other, and _________ misunderstanding.
A. clear up B. take up
C. pick up D. clean up
All her time _________ experiments, she has no time for entertainment.
A. devoted to doing B. devoted to do
C. devoting to do D. is devoted to doing
