35.He reminded me that the poor weather may have ＿＿＿ the small crowd.

　 A.turned up　 B.spied on　 C.accounted for　 D.came across

34.I have no idea ＿＿＿ David is in trouble, he will turn to you for help.

　 A.if　 B.that　 C.when　 D.that if

33.Who do you think Mr. Brown had ＿＿＿ within three months?

　 A.driven　 B.driving　 C.drive　 D.to drive

32.The most useful learning in the world is that ＿＿＿ teaches us how to die well.

　 A. that　 B.which　 C./　 D.who