15. (B)which to choose 16. (C)do

13. (A)so does　　　 14. (B)needn't

11. (A)for　　 12. (D)look it up

9. (A)if she will　　 10. (C)didn' t know

7. (D)not much　　 8. (C)have finished

5. (C)On　　　 6. (D)Mine

3. (B)wrote　　 4. (B)to eat

1. (C)a　 2. (D)wood

20. "Li works hard. Wang works　　 even harder. Ma hardly works. Of the three, who works the hardest?""　　　　 works the hardest. "　　　　　　　　　　

　(A)Li　　 (B)Wang (C)Ma　　 (D)Nobody

1979年答案

19. Although it' s raining, 　　　　　are still working in the fields.　　　　　　　

(A)they　 (B)but they　　 (C)and they　　 (D)so they