--- Mr Wu, could you tell me ________?--- You’d better do more speaking.
How was your climbing Mount Huang?---I didn’t believe I could do it __________I got to the top.
--- What is your teacher strict you in class? --- Our habits.
Do you know ______ Zunyi or not tomorrow?
Work harder, _______ you will get more grades in the coming exam.
You can _______ stay at home ________ go out to play. It doesn’t matter.