问题

There is a bird ______ the tree. [ ]
A: in
B: on
C: at
D:of
B: on
C: at
D:of
正确答案是:
同类题型
Tom was ______ that he couldn’t understand ______ difficult sentence.
Tom is a kind boy. ____ is always ready to help others.
Mr. Hu said that you were late again. ________ this, you didn’t wear the uniform. [ ]
They are the students of ____.
I enjoy singing and I want ________ a member of the Music Club.