根据句意及各题括号中所给的汉语意思，从下面的方框中选择合适的单词或词组，用其适当的形式填空。

1．I like teachers who are ________(有趣的)and can laugh with their students．

2．My father is lively and ________(精力充沛的), but he is not very patient．

3．A few students even ________(承认)liking her．

4．Her teaching is so well ________(组织)and clear．

5．Most of us really ________(欣赏)her because her teaching is so good．

6．The relationship between teachers and students is much friendlier and more ________(轻松的)．

7．It's very important for teachers to have ________(纪律)in the class, especially with the naughty boys．

8．Do you do a lot of ________(翻译)from Chinese into English in your language classes?

9．He likes ________(文学)so much that he wants to be a great writer in the future．

10．She is kind enough to ________(避免)making you feel stupid．

11．Tom was very ________(紧张)when he first stood on the platform．

12．You have to be ________(耐心)with my mother－she's going rather deaf．

13．It is agreed that dolphins are ________(聪明的)animals．

14．I'm sorry, I ________(完全)forgot about my appointment with you．

15．First ________(印象)seems very important when we are seeking jokes．

16．From his ________(严肃的)looks, I knew bad news was coming．

17．Can you give me a ________(科学)explanation?

18．If you hear an alarm, leave the room ________(立即)．

19．Compared with“allow”, the word“permit”is often used in ________(正式的)occasion．

20．One should show ________(尊敬)for the elders．