1 . I sincerely hope my suggestion will meet with your ________ (approve). (所给词的适当形式填空)

2 . Marty ______________ (work) really hard on his book and thinks he’ll have finished it by Friday. (所给词的适当形式填空)

3 . Peter will take ________ his post as the head of the travel agency at the end of next month. (用适当的词填空)

4 . He made no effort ________ (hide) his disappointment.  (所给词的适当形式填空)

5 . Nervously ________ (face) challenges, I know I will whisper to myself the two simple words “Be yourself”. (所给词的适当形式填空)

6 . He wrote a letter __________ he explained what had happened in the accident. (用适当的词填空)

7 . Some people think that the great Chinese scholar Confucius, __________ lived from roughly 551 to 479 B.C., influenced the development of chopsticks. (用适当的词填空)

8 . While they are rare north of 88°, there is evidence ________ they range all the way across the Arctic, and as far south as James Bay in Canada. (用适当的词填空)

9 . —You are a great swimmer.
—Thanks. It’s because I __________ (practice) a lot these days. (所给词的适当形式填空)

10 . They were well trained by their masters _____ had great experience with caring for these animals. (用适当的词填空)