工人们正在用沥青修补停车场的裂缝。
The workers are filling the cracks in the parking lot with ___asphalt.
这条新修的马路已经铺上了沥青，使其更加平坦。
The newly built road has been ___asphalted to make it smoother.
工人们正在用沥青铺设新的道路。
The workers are ___asphalting the new road.
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