A、because
B、why
C、for
D、as
第2题
A.However the reason
B.It is the reason
C.What is the reason
D.whatever the reason
第5题
A.class reason
B.psychological reason
C.historical reason
D.all the above
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!