7 . 根据下列句子及所给的首字母写出各单词的正确、完全形式（每空限填一词)
1. Many people think it is a good way to relax themselves t________ exercise.
2. My daughter is old e________ to look after herself. She is a teenager now!
3. The park is a c________ place on weekends because many people like to go there.
4. Be quiet! The students are p________ for the final exam in the classroom.
5. He learns to make a model robot by watching some v________ on the Internet.
6. Air p________ is a serious environmental problem and is bad for human health.
7. When the turkey is ready, put it on a large plate and c________ it with gravy.
8. My cousin swam faster t________ anyone else and won the competition.
9. The glass bottle fell off from the table and b________ into pieces.
10. Mickey was u________ and had many problems such as losing his house or girlfriend.

9 . 无论他说什么，她都怀疑他是否再次打破了诺言，在床底藏钱。
________ he said, she doubted if he ________ his promise again and hid money at the ________ of the bed.