单词拼写

1．Since his parents died early，he had to earn his own living when he was a             (青少年)．

2．It is advisable to look at the            (目录) page of a book before buying it.

3．The police are watching the man's            (活动) secretly.

4．My small             (温室) gets very hot when the sun is shining.

5．Some children want to            (挑战) themselves by learning a language different from what their parents speak at home.

6．The new job means a higher salary and a better            (头衔)．

7．In 1973，the first Open University             (毕业生) received their degrees.

8．Teachers            (建议) parents should not allow their children under 12 to ride bicycles to school for safety.

9．They have designed a lot of             (先进的) electric equipments.

10．The government has promised an             (额外的) ￡1 billion for health care.

11．            (显然)，we don't want to spend too much money.

12．More attention should be paid to             (改进) equipment in our factory so that we can increase our production.

13．We were all deeply moved and proud of having such a             (负责的) teacher.

14．Actually，whatever happens，we must stay calm first and then find a wise             (解决办法)．

15．He has been forced to adjust his               (日程安排)．