问题
They are talking_____ the phone. [ ]
A: at
B: to
C: on
D:in
B: to
C: on
D:in
正确答案是：
同类题型
Let me show you some photos of beautiful nature ______ you and you can bring them _______ you.
Our school is so famous that _______ people come and visit it every term.
About _____________ of the students this year were born in the 1990s.
Do you know the girlis talking with our teacher?-Oh,she is my sister.