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A. she realized B. she had realized C. had she realized D. did she realize 3. Nowhere else along the coast ___________ such shallow water so far from land. A. is there B. is it C. there is D. it is 4. Never ___________ a language so widely spread or spoken by so many people as English. A. there has been B. it has been C. has there been D. has it been 5. _________ had he got on the train _______ he realized he had left his bag in the car. A. Hardly。 when B. Hardly。 then C. No sooner。 when D. No sooner。 then 6. — It’s burning hot today, isn’t it? — Yes. __________ yesterday. A. So was it B. So it was C. So it is D. So is it 7. __________ about wild plants that they decided to make a trip to Madagascar for further research. A. So curious the couple was B. So curious were the couple C. How curious the couple were D. The couple was such curious 8. Not until the early years of the 19th century _________ what heat is. A. man did know B. man knew C. didn’t man know D. did man know 9. In no city of China little __________ about the economic development. A. the government cares B. does the government care C. doesn’t the government care D. the government doesn’t care 10. Autumn ing, down _____________. A. do the leaves fall B. the leaves will fall C. fall the leaves D. the leaves have fallen 11. _____can you expect to get a pay rise. A. With hard work B. Although work hard C. Only with hard work D. Now that he works hard 12. ____, mother will wait for him to have dinner together. A. However late is he B. However he is late C. However is he late D. However late he is 13. Not until all the fish died in the river, _____ how serious the pollution was. A. did the villagers realize B. the villagers realized C. the villagers did realize D. didn’t the villagers realize 14. Not until I began to work ____ how much time I had wasted. A. didn’t realize B. did I realize C. I didn’t re