根据句意及首字母或汉语提示,写出各句中所缺单词的正确形式。
1. There is n
o (令人信服的) evidence that smoking causes lung cancer.
2. I hope you will always be (充满精力的)when having classes.
3. She is an o scientist , for she has made great contributions to her country.
4. Her mother never shouts at her in (怒气)
5. He a to the teacher for being later for class.
6. Every year a large number of (商人) go to and from Yiwu.
7. Without the teacher's p , you can't play with the computer in 
our classroom.
8. The company in NanJing e about 20000 boxes of wine to the UK last year.
9. She is s to support a family on a very low income.
10. He was ill and (因此)could not come.
