1. Since tasting the excitement of _____ big city life, she never wants to live in _____ country again.
   A. the, the     B. 不填，不填     C. the, 不填     D. 不填，the
2. The operation is _____ success and the patient is now out of _____ danger.
   A. a, the     B. a, 不填     C. 不填, the     D. 不填，不填
3. As _____ writer, he was _____ complete failure.
   A. a, a     B. a, the      C. 不填，不填      D. a, 不填
4. How strange! These years my birthday always falls _____.
   A. on the Sunday B. on a Sunday
   C. on Sunday         D. at a Sunday
5. This is _____ best kind of _____ pen you can get here.
   A. the, the    B. the, a     C. the, 不填    D. a, the
6. As is known to us all, _____ tiger is in _____ danger of becoming extinct.
   A. the, a     B. the, 不填     C. a, 不填    D. 不填, the
7. He spent too much time talking on ______ phone while we were all busy at _____ work.
   A. the, 不填     B. a, 不填     C. 不填, 不填     D. the, the
8. As _______ unemployment is very high at the moment, it’s very difficult for people to find _______ work.
   A. the, 不填      B.不填，不填     C. the, a     D. an, the
9. Apartments in cities can be quite high. Renters are paying up to $1,000 per month for _______ bedroom apartment.
    A. one a      B. the one      C. one      D. a one
10. The education of ______ young is always ______ hot and serious topic.
    A. 不填, 不填     B. the, a      C. 不填, the     D. the, 不填
11. I often have conversations with John over ______ telephone, while keep in touch with Tom by ______ letter.
    A. 不填；the      B. 不填；a      C. the；不填     D. the; a
12. —John has put forward _______ most challenging question for us to answer.
    —Yes, it really is. I have never heard _______ harder one.
    A. the; 不填      B. 不填; the      C. the; the      D. a; a
13. “What about ______ school?” “It is as good, as anybody can see, _____ school as No 1 Middle School Attached to Hunan Normal University.”
    A. a; the     B. the; a      C. a; a      D. the; the
14. The market for ______ used computers is getting larger and larger as______ years go on.
    A. 不填, 不填      B. the, 不填
    C. the, the        D. 不填, the
15. “Charley Oakley, ______ NBA All-star, hasn’t missed ______ game in the past three years.” “I can hardly believe it.”
    A. an; the      B. a; the      C. the; a      D. an; a
16. In the market, vegetables are sold by _______ kilogram, I mean, by _______ weight.
    A. the; 不填      B.不填; 不填
    C. the; the       D.不填；the
17. Many people agree that ______ knowledge of English is a must in _______ international trade today.
    A. the, an      B. a, 不填      C. the, the     D. 不填, the
18. The cakes are delicious. I’d like to have _______ third one as _______ second one I ate was too small.
    A. the, the      B. a, the      C. the, a      D. a, a
19. ________ England of those years was _______ England in peace.
    A. 不填, 不填      B. The, an
    C. The, 不填       D. 不填, an
20. — Did you happen to see _______ black and _______ white cat?
    — Are they missing? I told you to take care of them.
    A. a; 不填     B. the; 不填     C. the; the    D. a; the

【答案与解析】
1. 选D，big city life 表泛指，其前不用冠词；country 表示“农村”时，其前习惯上要用定冠词。
2. 选B，success 在此指“成功的事”，为可数名词；out of danger（脱离危险）为习语，其中不用冠词。
3. 选A，其中的 failure 在此指“失败的人”，为可数名词。
4. 选B，Sunday 前用不定冠词，表示“某一个”。
5. 选C，kind of 后的名词通常不用冠词。
6. 选B，当概括事物的种类时，用定冠词，不用不定冠词；另外in danger of 是短语，不用冠词。
7. 选 A。on the phone 和 at work 均为习语，其中一个带冠词，一个不带冠词。
8. 选 B。unemployment 和 work 均为不可数名词，表示一般意义时其前不用冠词。
9. 选 D。a one bedroom apartment 意为“一套只带一间卧室的套房”。
10. 选B。the young 意为“年轻人”，定冠词用于某些形容词前表示一类人或事物；第二空填不定冠词修饰名词 topic。
11. 选 A。over [on] the telephone 为习语，意为“通过电话”；若用 by telephone 则不用冠词，类似地，by letter（通过信件）也不用冠词。
12. 选D。第一空后的most不是构成最高级，而是表示“很”、“十分”，故其前用a；第二空也填a，该句为 I have never heard a harder one than this one 的省略。
13. 选B。第一空填the，表特指；第二空填a，表泛指，as good a school as No. Middle School Attached to Hunan Normal University 意为“与湖南师大附中一样好的一所中学”。
14. 选A。used computers 与 years 均为复数名词表示泛指意思，其前不用冠词。
15. 选D。NBA中的 N 读音为 [en]，即前面一个音为元音，故填an不填a；第二空填a表泛指，泛指任何一场比赛。
16. 选A。介词by表示“以…计”时，若后接单数可数名词，其前要用定冠词，如：by the week 按周，按星期 / by the ton 按吨 / by the yard 按码 / by the meter 按米；若后接抽象名词，则通常不用冠词，如：by volume 按体积 / by weight 按重量。
17. 选B。knowledge 虽为不可数名词，但其前却可用不定冠词，表示某种程度的知识，有类似some的意思；第二空不填冠词，是因为trade 为不可数名词，表示泛指时不用冠词。
18. 选B。序数词前通常用定冠词，表示特指（如第一空）；有时也用不定冠词，表示原有数量上的增加（如第一空）。
19. 选B。原则上说，专有名词前不用冠词，但在些特殊情况下也可用冠词。此题第一空填定冠词，表特指，即指“那时的英国”；第二空填不定冠词，表示具有某种特征。
20. 选C。Are they missing? 中的代词they 是一个很重要的信息词，它表明上文中的 _______ black and _______ white cat 是两只猫而不是一只猫，所以C。the black and white cat 可视为 the black cat and the white cat 之省略。若选A，则表示“一只黑白相间的猫”。