An a ______happened yesterday. A man was knocked down by a car.2.When the performance finished, t 1. An a ______happened yesterday. A man was knocked down by a car. 2.When the performance finished, the audience c__________for a while. 3.News that China was to h_____ the 2008 Olympic Games excited every Chinese. 4.We had a heavy snow this March, which was most u_________ here. 5.A high-speed maglev train has no w________ and no engine. 6.For your safety, please get your seatbelt ___________ (系紧) before the plane takes off. 7.A deer behind the tree looked at us c__________ (好奇) . 8.Would you like to listen to my exciting a     （冒险）in the Himalayas? 9.I have plenty of _________ (幽默的)tales. 10.It is difficult to find space to _________ (掩埋) waste in modern society.