1 . Jacob’s parents felt satisfied when his career started taking ________.（用适当的词填空）

2 . Look! The box___________ a number of letters, which___________ those from his students. (contain/include)(用适当的词填空)

3 . She came up ________a new idea for increasing sales.（用适当的词填空）

4 . Mary polished ________ her homework early so that she could watch TV. （用适当的词填空）

5 . There are several main reasons why old buildings should be torn ________ and replaced by new ones. (用适当的词填空)

6 . Can you tell us how the old customs lived____________ for so long? (用适当的词填空)

7 . If you want to play safe, cut ___________on the amount of salt you eat. （用适当的词填空）

8 . 彼得想利用巴黎之旅来提高他的法语。
Peter wanted to________ his visit to Paris to improve his French.

9 . You ought to have turned _________ on the scene at the appointed time. (用适当的词填空)

10 . If you come across any difficulty during your journey, you can turn _________ me. （用适当的词填空）