523. In China , ______ bicycle is ________popular means of transportation.

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

522. -- ________I go there, too?

　 --- No. You _______.

A. Must; can’t　　　　　　　 B. Need; mustn’t

C. Can; needn’t　　　　　　　 D. Must; don’t have to

521. One should keep ______facing danger.

A. quiet　　 B. calm　　 C. still　　 D. silent

520. Soon the news ________ across the whole country, ______the people.

A. spread; exciting　　 B. spread; excited　

C. was spread; excited　　　 D. was spread; exciting

ABCCA　 ABCDA　 ABCDA　 AADCA

519. Finally came the news________everybody in the twon.

A. astonished　 B. to astonish　　　 C. that astonished　　 D. that was astonished

518. The farm is huge, lying between the valleys, and ____ an area of 15 square kilometers.

A. covered　 B. being covered　　 C. covering　 D. covers

517. Don’t forget _______- waiters; in England , people give ____to waiters and taxi drivers.

A. to tip; tips　 B. to give tip; tip　 C. tipping; tips　 D. tipping; tip

516. There is nothing in the bag but an __________.

A. article of clothing　　　　 B. piece of clothing

C. clothes　　　　　　　　　 D. dress

515. The trip cost us more than we ________.

A. had expected　　 B. expected　　 C. expect　　 D. have expected

514. Was it six years ago _______ we met for the first time?

A. which　 B. When　 C. since　　 D. that