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　　典型例题

　　1. In ______ century computers will be used more widely.

　　A. twenty-one B. the twenty-one C. twenty-first D. the twenty-first

　　序数词前加the.

　　答案 D

　　2. The meeting will be held in _______ .

　　A. 112 Room B. Room 112 C. the 112 Room D. the Room 112

　　答案 B

　　3. The Great Wall of China is about 6，700 _______.

　　A. kilometer long B. kilometers long

　　C. kilometer longer D. kilometers longer

　　答案 B

　　4. How many presidents were there before Abraham Lincoln？

　　Fifteen， so he was ______.

　　A. the sixteen president B. the sixteenth president

　　C. president sixteen D. president the sixteenth

　　the sixteenth president 第十六任总统

　　答案 B

　　5. What did the professor tell you to do？

　　I had to write a ______ report.

　　A. two thousand words B. two-thousands-word

　　C. two-thousand-word D. two-thousand words

　　答案 C

　　6. Did you buy anything at the clothing sale？

　　Yes， I bought three _____ ties for just twelve dollars.

　　A. five dollars B. five-dollars C. five-dollar D. fifth dollar

　　答案 C

　　7. Eight minus three _______ five.

　　A. leave B. leaves C. left D. has left

　　一般现在时

　　答案 B

　　8. What date is it ？ It's ________.

　　A. July twentieth-first B. July the twenty-first

　　C. the twenty-first of July D. Both B and C

　　7月21日：July the twenty-first

　　the twenty-first of July

　　答案：D

　　9. When he was in his ________， he got the chance to go abroad to study.

　　A. forty B. forty's

　　C. forty's years old D. forties

　　答案：D

　　10. Rex told me you have moved.

　　Yes， into a _______.

　　A. two-storey house B. house of two story

　　C. house of two stories D. two-stories house

　　答案：A

　　11. I would like to register this letter.

　　Please go to _______ on your left.

　　A. third window B. window third

　　C. the window three D. the third window

　　register 挂号，邮寄

　　答案：D