18.　 April Fool’s Day is known ________ a day for playing jokes _______ others. (as; on)

17.　 We went camping in a mountainous area and we slept _____ the open air under the stars. (in)

16.　 Many of Li Bai’s poems are still popular _________ the readers in China today. (with)

15.　 Charlie Chaplin is famous _________ a comedy actor.　 (as)

14.　 Can you pick me _______ in this old picture? 　(out)

13.　 She cut the article _______ of the newspaper on Sunday.　 (out)

12.　 Many trees have been cut _________ in the past two decades. (out)

11.　 He was given a special Oscar _________ his lifetime outstanding work.　 (for)

10.　 Who do you think will star ________ this film? (in)

9.　　　 After the power was cut _________, she had to deliver the baby in darkness. (off)