1 . There is no doubt that the air pollution is an_________________(极其)serious problem. The city government should take strong measures to deal with it. (根据汉语提示单词拼写)

2 . The train is_________________(预定)to arrive at the stationat5pm. (根据汉语提示单词拼写)

3 . The first time I saw the West Lake I was deeply i_________________ by its beauty. (根据首字母单词拼写)

4 . Sorry but I have to _________(托付)you with this matter. (根据汉语提示单词拼写)

5 . Festival are celebrated all around the world with a wide range of _________(起源). (根据汉语提示单词拼写)

6 . A lot of people _________(聚集) round, curious to know what was happening. (根据汉语提示单词拼写)

7 . To our _________(宽慰), the missing child returned home several days later, tired but healthy. (根据汉语提示单词拼写)

8 . Dr Lin Qiaozhi did not _________(退休) until the day she died. (根据汉语提示单词拼写)

9 . It’s of great importance to know your own s_______ and weaknesses.

10 . We will make necessary ________ （安排） for our guests before they arrive.