81. The old computer has broken down and it has to be r__________ with a new one.

35. -Do you think you could successfully light the flame at the opening ceremony?

　-_______. This is not the first time for me.

A. Take care　　　 　　 B. Hurry up　 　　　　　　　　　　 C. Not exactly　 　 　　　 D. Don’t worry

34. The father and the son entered the tiger area _______ two doors were open at the time.

Suddenly five tigers appeared, one of which killed the father.

A. there　　 　　　 　　　 B. which　　 　　　　　　　 C. its　　 　　　　　　 　　　 D. whose

33. Gilbert wasn’t ______ the time this morning, so he was late for school.　

A. involved in　　 　　 B. particular about　 　 C. linked to　　　　　 　　 D. aware of

32. We　should　consider　the　professor’s advice _______ our school library provide more books on popular science.

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