The first African-American president of the United States received a(n) ____ welcome in the African
countries, where he was received as a returning son.

It is ______ for children to learn to take care of themselves if they are going to camp for two weeks
by themselves.  

It is known to us all E-mail is _____ more _____ than sending a fax.

It was ______ of Jack to turn off the light when I was sleeping in the bedroom.  

用所给动词的适当形式填空。
1. The children were _____in the ________ story. (interest)
2.  We were all_______ to hear the _______ news. ( excite)
3.  The result of the test was rather ____. He was very ______ at it. ( disappoint)
4.  I've never heard the word ______(use) in spoken English.
5. They often saw the little boy _______(punish) by his step mother.
6.  The only thing I could do was _______ (do)  it alone.
7. She doesn't mind______ (work) over time.
8.  I'11 have the book _______( bring) over to you soon.
9.  Besides ________(read) ,he is fond of ____ (dance)  and ____ (skate).
10. The meeting ______ (take place) next week is very important.

Though the situation is rather serious, financial leaders are still ________ about global economy.

Do remember to be ________. We must avoid any possible risks when doing this dangerous
chemical experiment-burns, poisonous gases or cuts from broken tubes.

The mistake I made last week has been a timely reminder of the need for ________ care.

I've applied for the job but I'm not very ________ about my chance of getting it.

I don't want to move to that city. It is heavily polluted. Pollution is common. The city here is _____.