建筑工人用水和水泥搅拌成浆。
The builders mixed water with ___cement to make a paste.
工人用水泥填补了墙上的裂缝。
The workers ___cemented the cracks in the wall.
工人们正在用水泥固定这些瓷砖。
The workers are ___cementing these tiles in place.
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