Using cell phones to chat online _______ very common among middle school students.A.beB.isC.areD.am

分类: 作业答案 • 2023-01-23 08:42:04

问题描述：

Using cell phones to chat online _______ very common among middle school students.
A.be
B.is
C.are
D.am

答

B.is
使用电话在网上聊天，在中学生之间是非常普通的

答

B is

答

选B
动名词做主语选用is

答

B.is
动名词做主语,谓语动词用单数

答