The UN plays an imposant part in the international relations. If you continue to steal,you'll end up in prison. What does it matter to you? Scientists will have to come up with new methods of increasing the world's food supply. I'm sorry,but I can't imagine any one doing research like that. I am rather bored than tired. As long as you return my bike tomorrow on time,I can lend it to you. He has to fill in the depositing from and write the name on it. Would you drop in on us tomorrow evening for a chat? I will drop in on my English teacher on his now house on Sunday. I often spend my holidays traveling. I spent thirteen yuan in buying a notebook. The library needs cleaning,but it'll have to wait until Sunday.