单词拼写（共10小题，每小题1分，满分10分）

51.She is not________(乐观)about the result.

52.He finished his homework________(终于)．

53.It’s________(冒险的)to buy a car without any good advice.

54.It is not________(方便的)for me to come now；I am busy.

55.Keep all your________(收据)for work­related expenses.

56.You break the law if you drive without a driving ________（执照）.

57.After a five­day trip，we arrived at our ________（目的地）

58.The disease ________（传播）quickly across the country and thousands of people died.

59.Unable to speak a word of the language，he________(交流)by gestures.

60.Although she was badly injured，she was still________(有意识的)