单选题
Dr. Jones ordered ______ for the laboratory.
A、
two pieces of equipments
B、
two equipments
C、
two pieces of equipment
D、
two piece equipments
【正确答案】
C
【答案解析】
名词词组。a piece of equipment意为“一件设备”，复数形式只在piece后加-s，equipment为不可数名词。
提交答案
关闭