摘要： -- of the population of the city workers? --About 60 percent. A. What; is B. What; are C. How much; is D. How much; are
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－________ of the population of the city _________ workers?
－About 60 percent．
[ ]
A．
What; is
B．
What; are
C．
How much; is
D．
How much; are