Every policeman and fireman ______ on the alert.

admin2013-01-03  25

问题 Every policeman and fireman ______ on the alert.

选项 A、have been
B、was
C、are
D、were

答案B

解析 当every修饰一个或几个名词作主语时,谓语动词要用单数形式。
转载请注明原文地址:https://jikaoti.com/ti/d6iYFFFM
0

随机试题
最新回复(0)