Mr.Lihasordered___fortheschoolla

发布时间：2020-07-12 06:53:06

Mr. Li has ordered ___ for the school lab












A.three equipments











B.three pieces of equipments










C.three pieces of equipment










D.three pieces equipment

网友回答

C解析equipment为不可数名词，表示复数要在前面加上数量词。
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