( ) 31. –You’d better remember what I said yesterday, _______ others will laugh at you.

　　--Sure. I’ll do it _______ you told me.

　　A. or; as B. and; as C. or; after D. and; after

　　( ) 32. Though we students have _______ money _______ time, we try out best to help them.

　　A. both; and B. neither; nor C. either; or D. not; but

　　( ) 33. I won’t believe you _______ I see it with my own eyes.

　　A. if B. when C. until D. while

　　( ) 34. I must finish the work _______ I go home.

　　A. before B. when C. until D. if