－Can you tell me 　　 to send this postcard to New York by airmail?

－Let me check. Oh, it’s one dollar.

　 A. how long it takes　 B. how much it cost　

　 C. who can help me　 D. if there’s a post office.

— How long may I 　your bike?

— For a week. But you mustn't　　　 it to others.

A. borrow, lend　 　　　 B.　keep, lend　 　　　 C. lend, borrow　 　　 D. keep, borrow

“How many common English words were invented by Shakespeare?” How long did 41_　 take people to find the answer to this question 15 years ago? And now? You can google it 42 find the answer immediately!

Larry Page and Sergey Brin met in 1995, 43 they were both studying computer science at a university. They dreamed of producing something that could answer 44 questions in seconds. They decided to make a better and faster search engine(搜索引擎) 45 January 1996. At that time 46 would give them money for their project, so they had to borrow money from family and friends. Soon they started their own company. Its name Google comes from math. A ‘google’ is 47 very high number —1 followed by a hundred zeros.

The google search engine was soon used by thousands of people worldwide 48 it was fast, easy and correct. By 2002 it became the 49 (big) search engine on the Internet. Google hopes that in the future all the world’s information 50 be put on the Internet, so that everybody can find everything.

----________did your uncle leave his home town ?

----He ___________for nearly twenty years.

A. When , has left　　　　　 B. When , has been away

C. How long , has left　　　D. How long , has been away