We had a wonderful time in Xi’an ___ our guide Ann.
A. as for
B. as to
C. thanks to
D. with regard to
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When will Huawei ___ the new advertising campaign?
A. interact
B. launch
C. distribute
D. enroll
The only real ___ to China’s pollution problems, scientists claim, is to cut emissions from power plants, factories and cars.
A. solution
B. revolution
C. evolution
D. dissolution
___ may have an influence on our children.
A. Whenever we say or do at home
B. Which we say or do at home
C. Whatever we say or do at home
D. No matter we say or do at home
Among the major worker groups, unemployment rates ___ from 21% for teenagers to 5.3% for adult women.
A. submitted
B. framed
C. delieverd
D. ranged