We learn in geography that the valley surrounding the Yangtze River is one of ______ fertile in China.
A. the most
B. the more
C. most
D. a most
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If he ______ the job today, he will be able to leave for Shanghai tomorrow.
A. finish
B. will finish
C. finishes
D. shall
【B16】
A. Many
B. Various
C. Difference
D. Important
【B1】
A. been
B. become
C. more
D. most
The number of the workers in this factory ______ this year.
A. are increased
B. have been increased
C. has been increased
D. is increased