They received a number of from customers about the lack of parking facilities.A. complain

发布时间：2020-08-30 00:12:14

They received a number of      from customers about the lack of parking facilities.
A. plains
B. plaints
C. plainer
D. plainers

网友回答

A. plains
(答案→)B. plaints
C. plainer
D. plainers
解析：句意：他们收到了许多来自顾客的抱怨关于缺乏停车设备。名词，抱怨plaint，题中a number of 修饰可数名词复数，所以选B。
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