He has ordered ____for the laboratory.A.Ten equipments B.tenpieces of equipment.这里选B
We would like two black coffees and three green teas.这里为什么不用a cups of coffee?
人气：462 ℃ 时间：2020-09-17 05:37:01
解答
1.equipment 是不可数名词,所以不能选A,
2.two black coffees 和下文three green teas 在形式上对应.
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