问题描述:
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?
We would like two black coffees and three green teas.这里为什么不用a cups of coffee?
问题解答:
我来补答展开全文阅读