You should study harder______ it is too late to catch up.
---Would you like to go out for dinner with me?--______,but I have to finish my homework first.
Could you please tell me___?
– Let`s go to Huangyao Old Town next weekend, shall we?--Sorry. I ____there many times. I don`t want to go again.
Chinese ______by more and more people around the world.
Peter is _____ student in our class. He often helps us with our schoolwork.