Dark glasses are sometimes worn to ________the eyes from strong sunlight.

A. prevent 　 B. care　　 C. defend 　 D. protect

I've never heard the word                 in spoken English

A. use             B. used             C. using             D. using

I was late this morning because my alarm clock failed to ________.

　 A. go off　 B. go out　 C. go away　 D. go without

China is ________ responsible country, and it pays ________ great attention to environmental protection.　　　　　

A．a; the　 B．the; the C．a; 不填 D．the; 不填

It’s going to be the most exciting pop concert _______. Will you attend it?

A. once　 B. never　 C. ever　 D. already

They don’t seem to answer the phone when I call; there isn’t anyone at home, _______?

A. isn’t there     B. is there     C. is it     D. isn’t it

Does the way you thought of＿＿＿the water clean make any sense?

A.making B.to make C.how to make D.having made

_____ the diamond, he had to look for a place to hide it.

A. Having stolen   　 B. Having been stolen  　　C. Stolen      D. Stealing

More than one-third of the Chinese in the United States live in California, _____ in San Francisco.

A. previously 　 B. predominantly 　　 C practically 　　 D. permanently

She got a bank loan to rent and _____ a small workshop.

A.associate　　　　 B. equip　　　 C relate　　　　 D. feed