–Hurry up! There’s a bus coming!–Why run? There will be another one _____ two or three minutes.A. by B. in C. for
________ of the students in our class is 64, and ________ of them are girls.
I ______ along the road when suddenly someone patted me on the shoulder from behind.
We are told ________ everywhere. It’s our duty to keep our school clean.
---Mind your steps, guy! Don’t you see the words “__________ the grass”?
Nobody can learn English well __________he works hard on it.