For questions 31-40, fill in each gap with a suitable preposition. There is an example at the beginning (0). 0. Put on your coat at once. We must hurry. 31. I just dropped ________ to wish you a Merry Christmas. 32. John is not very punctual. He usually turns______ten minutes after the lesson has started. 33. After the accident at the nuclear power station, the authorities tried to play _______the danger to the public from radioactive waste. 34. It may be difficult to persuade the government to recommend our company’s products, but I’m sure the new sales manager will pull it______ . 35. Stop criticizing Thomas and saying unkind things about him. I don’t know why you enjoy putting him______ . 36. Because of an accident on the line between Brighton and Victoria, my train was held _____ for several hours. 37. It’s a great new product and the sale’s figures show that it’s catching _____very quickly. 38. The secretary took _______ what her boss said in the meeting. 39. Johnson, I’d like you to look _______ this complaint we received this morning. 40. He was walking through a park when a strange dog suddenly went ________ him. giúp mình vơi