A: When do you usually have dinner?
B: ____6:30____the evening.

Look! Some beautiful birds 鸟 are ______ the tree.

— Is there a computer room       the building?
— Yes. It is       the ground floor.

He’s good ___ swimming．Swimming is good ____ his health.

— Where did they go ________ vacation?    —They went to Shanghai.

— I know smoking is bad for my health,   ____ I just can’t give it up.
— It is easier said than done.

----How do you learn English, Toby?
---I often practice English _____ talking _____ my American friends.

That man ____glasses is my English teacher . 

– I passed the English exam____ the help of my friend.

Many students asked the teacher _____ the time of the test.
A.for   B.to    C.about