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 don't think I will be ________(厌倦)in Ms Shen's class!

2．Secondary school in the US usually ________(包括)seven years, grades six to twelve．

3．Some students were ________(尴尬)at first but everyone was friendly and it was really nice．

4．Applicants for the job must have ________(以前的)experience．

5．Li Kang is very ________(印象深刻)with the teachers and the technology in his new school．

6．He was ________(失望)to hear the news．

7．He took a friendly ________(态度)to us．

8．The space technology of our nation is developing at an ________(令人吃惊的)speed．

9．She has learned to make coffee with a new ________(方法)．

10．________(换句话说), we all can't go camping this weekend．

11．High school students, especially those of Grade 3 should ________(参加)more after-school activities．

12．Students are all ________(盼望)the arrival of summer vacation．

13．As a freshman in college, I found everything in the campus so ________(极好的)．

14．I get a lot of ________(乐趣)from my teaching work．

15．The school year ________(分成)two semesters．

16．China and the U．S．have different educational ________(体制)．

17．The sun ________(消失)behind a cloud．

18．Thanks to modern ________(技术), we have a much higher standard of living．

19．The foreign guests were ________(吃惊的)at the rapid development of China．

20．Their success is a great ________(鼓励)to us．