—Are the new machine working?
—Yes. Three million tons of coal________exploited every year in the city.
A.is |
B.are |
C.has |
D.have |
推荐试卷
—Are the new machine working?
—Yes. Three million tons of coal________exploited every year in the city.
A.is |
B.are |
C.has |
D.have |
试题篮
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