1 . After redecoration, the classroom has taken__________a new look. (用适当的词填空)

2 . Their traveling expenses last month amounted__________6000 dollars. (用适当的词填空)

3 . Your suggestions are not in harmony __________the aims of this project. (用适当的词填空)

4 . In the press conference, he was asked several questions ________ (concern) the future of the corporation. (所给词的适当形式填空)

5 . Mr. Alexander doesn’t just write for fun; ________ fact, writing is his bread and butter.   (用适当的词填空)

6 . Tom’s parents have full confidence ________ his devotion to protecting the environment. (用适当的词填空)

7 . Youngsters are encouraged to take ________ a sport and lead an active life. (用适当的词填空)

8 . Everyone has a desire ________ success, but not everyone has the courage and determination to pursue it. (用适当的词填空)

9 . Every time I go back to my hometown, I am surprised ________ its great changes. (用适当的词填空)

10 . She was highly self-critical and also found fault ______ her friends. (用适当的词填空)