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C. the D. / 10. ____ book is very useful . I bought it from ____unknown little town. A. A , a B. The, a C. The, the D. The , an 11. English is ____ language. It is__________ important tool. A. a ,a B. a, an C. the, an D. a , 12. English is ____interesting subject for most of ____students. A. the, a B. the, the C. a ,the D. an, the 13. It took me ___hour and ____half to finish ____work. A. a, a, a B. an, an, the C. an, a, the D. an, a, worker makes ____steel. A. / a ,/ C. This, the D. The, the has ____high fever and she has to be in ____hospital. A. a, B. a, a C., D. the, the is building ____fire in the room. A. a B. an C. the D./ is ____bridge over there. _____bridge is made of ____ wood. A. the, The, / B. a, A , a C. the, A , the D. a, The, / ____door, please. A. the B. a C. an D. here are friendly to me. A. The B. a C. an in ___Grade Three is ____tallest in our school. A. The, the, the B. A, a, a C. The, , the D. A, , a that moves around in ____sky is ____ our nearest neighbour. A. The, an, a B. A, the, the C. The, The, D. The, the, the are sitting at ____breakfast table. A. , a B. The, C. The ,the D., the 23. I will go to see you off at ____Beijing Railway Station. A./ B. a C. the D. an 24. She was playing ____piano when Bob rushed in. A. a B./ C. the D. an does reading aloud in English on _____ Sunday morning. A. a B. the C. These