1 . One of the biggest ______ (挑战) in learning English is that we should memorize so many new words every day.（根据汉语提示单词拼写）

2 . It has been raining heavily for several days, causing serious flood in several   __________(省).（根据汉语提示单词拼写）

3 . As an established artist, she owed her success to early awareness of her ________(优点) and weaknesses. (根据汉语提示单词拼写）

4 . I’d appreciate it if you can make helpful ________（评论）on my work. (根据汉语提示单词拼写）

5 . I only wear a tie on special o _______.(根据首字母单词拼写)

7 . Employees provide services to the company they work for in e__________ for pay. (根据首字母单词拼写)

8 . 事实上，对他而言要得到一份适合的工作是一个巨大的挑战。（challenge n. ）(汉译英）

9 . The beggar sat outside the building asking________（过路人）for money. （根据汉语提示单词拼写）

10 . A v________ is a person who does a job without being paid for it. (根据首字母单词拼写)