问题
You got back so late and you didn’t even give me a proper reason _______ you hadn’t called me! I’m very unhappy with you.
A:when
B:why
C:how
D:which
B:why
C:how
D:which
正确答案是：
同类题型
_____ am Zhou Jie. _______ English name is Tom.
What about yesterday’s homework, Amy?— I found ____ hard to finish all the exercises.
There__________ a ruler and some pencils on the desk.
GuanTianlang is _____________ 14-year-old boy, but he is famous all over the world.
There were different kinds of dinosaurs in the word in the past.