C. by foot； by car D.in his car； by his foot

21. Jack is a good friend _____， he often comes to our home for a visit.

A. of my father B. of my father‘s

C. for my father D. with my father

22. What way are you thinking of _____ rid of the flies？

A. to get B. getting

C. being got D. to be getting

23. We must do something to _____ factories _____waste water into the river before it is cleaned.

A. stop； pouring . B. prevent； to pour

C. keep； pouring D. stop； to pour

24. _____ of them are not here. means _____ of them are not here.

A. All； Some B. Both； Every C. Both； Neither D. All； Both

25. How did you do in the test？

Not so well. I _____ much better but I misread the directions for Part D.

A. could do B. could have done

C. must have done D. should do

26. Mary cares about clothes too much， and she _____ too much money _____ clothes.

A. spend； in B.cost； at C. pays； to D. spends； on

27. Our kind teacher wanted to teach us _____ he knew athis lesson. /joozone.com