高等继续教育 / 大学英语语法
正确率：100%
题型描述: 单选题
Dr. Jones ordered ＿＿＿＿ for the laboratory.
A.two equipments
B.two equipment
C.two pieces of equipments
D.two pieces of equipment
Dr. Jones ordered ＿＿＿＿ for the laboratory.
A.two equipments
B.two equipment
C.two pieces of equipments
D.two pieces of equipment
参考答案：
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