1. We must be p________ if we ask others questions.

2.Kate r________ a letter from her grandparents three days ago.

3.She is an e________ teacher, so we all like her class.

4.you must be careful to c________ the road. It’s dangerous.

5. The teacher looks very angry. Do you know what h________?

6.She was very___________(紧张) while she was having a test.

7.It’s not right for you  ___________(抄) others’ homework.

8.She had a very unusual _____________(经历) on last Sunday.

9. She wants to be a _________(科学家) when she grows up.

10.If you have a ____________（机会）to go to America, take it.

根据首字母提示或汉译完成单词。

1、R ______ can do many things for human beings(人类)

2、In big cities，air p ______ is quite serious．(严重)

3、There was an a ______ on the road(马路)yesterday．

4、Parents and teachers should give students f____________.

5、My mother was watching TV w ______ my father was reading newspapers.

6、I like all the subjects ______  (除)math．I think it’s very diffcult.

7、I couldn’t find my pen ______ (在任何地方).

8、We had a very unusual ______ (经历)on Sunday.

9、Let’s ______ (假定)he won’t come here tomorrow．

10、I like being a good__________(影响)in the children’s lives．