47.( )是记录孔子和他的弟子言行的一部书，共20篇，是( )经典著作之一。由孔子的弟子及其再传弟子编撰而成。

161.The students()as volunteers and helped clean up the park last weekend.

160.It is the most () match ever ().

159.Our () will hold a cycling race this weekend.

158.“Dancing Beijing” is a symbol of trust， ()for the promise that we has made to the world .

157.The weather() terrible yesterday. In fact， it () awful for several days.

156.---How do you do， Mr. Smith? --- ().

155. I have worked here since I () from college.

154.Why not()?

153.Children should() from early age to do their part to save natural resources.

152.Turn() the TV a bit. The weather forecast hasn’t begun yet.