—What ____ the population of China?
—One third of population ____ workers here.
A. is; are
B. are; are
C. is; is
D. are; is
A. is; are
B. are; are
C. is; is
D. are; is
【答案】
A. is; are
B. are; are
C. is; is
D. are; is
A. is; are
B. are; are
C. is; is
D. are; is
【答案】
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