1 . Tu Youyou has devoted her entire life to ______ (science) research into artemisinin. (所给词的适当形式填空)

2 . There is no denying that working out regularly is ______ (benefit) to us. (所给词的适当形式填空)

3 . She felt ______ (羞愧) of making a mess in the bathroom. (根据汉语提示单词拼写)

4 . He ______ (freeze) with terror, totally at a loss what he would do next. (所给词的适当形式填空)

5 . Suffering severe backache, he was far from ______ (impress) in his semi-final against Federer. (所给词的适当形式填空)

6 . So on behalf of the villagers’ benefit, the local government has decided to call for an end to the factories’ ______ (legal) behaviors. (所给词的适当形式填空)

7 . __________(convince)of the truth of the reports, Bill told his colleagues about it. (所给词的适当形式填空)

8 . The secretary arranged an _______________ (convenience) time and place for all the applicants to have an interview, so everyone felt upset. (所给词的适当形式填空)

9 . I’m sorry that I can’t attend your birthday party this Sunday, because the_________ (month) test is around the comer. (所给词的适当形式填空)

10 . The dancers gave an_________ (energy) and thrilling performance, which delighted the audience. (所给词的适当形式填空)