20. Mary failed the driving test again. If she ______ harder, she ______ the test easily.

A. practiced; would pass　　　　　　　　　　　 B. had practiced; would pass

C. had practiced; would have passed　　　 D. should practice; should have passed

19.It is in this very village _____ she will build her first school, ______ inspires everyone to help her.

A. where; that　 　　 B. that; which　 　 C. that; that　 　　　　　　 D. which; that