_______ are in the same class.A. Helen and IB. I and HelenC. I, you and she
---I can’t work out the math problem, what should I do?---You can turn to the teacher.
The best gift in the world may be not expensive, but must be full of love.
You are supposed to type quickly when talking with others on QQ.
I will call you as soon as I arrive in Guilin.
The population of Liupanshui is over 3 million.