1 . The test questions are kept secret so as to __________ (to stop something from happening) cheating. (根据英文提示单词拼写)

2 . I am writing to_____________ to you for not being able to make it to the bookstore with you yesterday.（道歉）（根据汉语提示单词拼写）

3 . ________(decrease)the amount of rubbish and to protect the environment, more governments are requiring people to recycle materials. (所给词的适当形式填空)

4 . The lecturer reached up to_____(loose) the scarf around his neck and began to make his presentation. (所给词的适当形式填空)

5 . 在下列句子中的空白处填入适当内容或括号内单词的正确形式.
1. The price of oil ____ (increase) by 2% since last December.
2. The soccer player is recovering ____ the injury he suffered during the match.
3. ____ she is under great stress， she always wears a smile on her face.
4. The stadium was crowded with fans， many of ____ were wearing the same T-shirts.
5. The new school year in China usually ____ (begin) on the first day of September.
6. We were playing outside while Lily ____ (read) in her study.
7. Beijing Expo 2019, ____ lasts for 162 days， is held in Yanqing from April to October.
8. Last year， a gold medal ____ (award) to Johnson for his outstanding contribution to education.
9. ____ (complete) the difficult project， Tom worked hard and put a lot of effort into it.
10. China is a great country， ____ recent economic achievements have made its people proud.

6 . A wide range of activities have been organized in our school's art festival____________________(promote) traditional Chinese culture. （所给词的适当形式填空）

8 . As is known to all, the term "Lei Feng" stands for anyone who is selfless, or anyone who is ready ________（help）others in China. （所给词的适当形式填空）

9 . My niece Kim came ________(visit) us in Beijing this summer. (所给词的适当形式填空)

10 . An interview is a conversation between an employer and a potential employee, which allows the interviewer to assess the job candidate ________ (see) if he or she is suitable for the position. (所给词的适当形式填空)