20.___girl in ___Grade Three is ____tallest in our school.

　 A. The, the, the　　　　　　 B. A, a, a　　　　　　　 C. The, ×, the　　　　　　 D. A, ×, a

19._____students here are friendly to me.

　 A. The　　 B. a　　 C. an　　 D.A

18.Shut ____door, please.

　 A. the　 B. a　 C. an　　 D.×

17.There is ____bridge over there. _____bridge is made of　 ____ wood.

　 A. the, The, /　　　　　 B. a, A , a　　　 C. the, A , the　　　　　 D. a, The, /

16.She is building ____fire in the room.

　 A. a　　　　 B. an　　　　 C. the　　　　　　 D./

15.Mary has ____high fever and she has to be in ____hospital.

　 A. a, ×　 B. a, a　 C.×,×　　 D. the, the

14.____steel worker makes ____steel.

　 A. /　 a　　 B.A ,/　 C. This, the　 D. The, 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, ×

12. English is ____interesting subject for most of ____students.

　 A. the, a　 B. the, the　 C. a ,the　 D. an, the

11. English is ____ language. It is__________ important tool.

　 A. a ,a　 B. a, an　 C. the, an　 D. a , ×