20. Jane came home happily, which suggested that she _______ the chemistry test.

A. would have passed　 B. would pass　 C. pass　　　　　 D. had passed

19. With nothing ______ to burn, the fire became weak and finally died out before the firefighters came.

A. leave　　　　 B. leaving　　　　　 C. left　　　　　　 D. to leave

18. _______ as Jim is, ______he can speak two foreign languages.

A. A boy; /　　　 B. The boy; /　　　　 C. Boy; but　　　　 D. Boy; /

17. Whenever I met her, ______was very often, I liked her sweet and hopeful smile.

A. which　　　　 B. who　　　　　　 C. it　　　　　　　 D. what