两个单选题,要高考了

题目

两个单选题,要高考了
21.He is _____ teacher who everyone likes to work with.
填a,为什么不能填the
24.Almost all snakes have been killed,____ many problems in this area,which is unexpected.填causing为什么不填to cause因为后面说unexpected还没有发生啊?
26.He didn’t tell me_______ that he met his old friend.A.where is it为什么不是where it was?
31.More investigations should be focused on _______ farmers can buy the toxic additives.为什么填when

答案

21.他是一个人人都喜欢的老师,而不是他是那个人人都喜欢的老师.凭语感,The表特指
22.unexpected的意思是说这是大家没有预料到的,在捕蛇之前没有预料到的,并不表示没发生.