It suddenly occurred to him ____ he had left his keys in the office．
A．that B．what
C．where D．which
Opposite our school ______，where a lot of people play or take exercise at any time．
A．does a park lie B．is a park lie
C．a park lies D．lies a park
Male nurses are difficult to hire as many men reject this______ out of the long-existing discrimination．
A．oncept B．responsibility
C．identity D．personality
—It’s too complex，I think．
—______．So we’d better make it easier for students to get involved．
A．That’s ridiculous B．That’s ridiculous
C．That’s settled D．That’s all right
This winter，one of the largest ______ snowstorms hit many areas．
A．recording B．recording
C．being recorded D．to record
Jack is late again．It is ______ of him to keep others waiting
A．normal B．ordinary
C．common D．typical
