67.　 You should make _______ a rule to leave things where you can find them again.

A. it　　　　 B. that　　　　 C. which　　　　　 D. what

66.　 ______ is our belief that improvements in health care will lead to a stronger, more prosperous economy.

A. What　　　 B. As　　　 C. That　　　 D. It

65.　 Is it possible ______ a student to master a foreign language without practice?

A. of　　　　 B. for　　　　 C. to　　　　 D. if

64.　 At this time tomorrow ______ over the Atlantic.

A. we are going to fly　　 B. we’ll be flying　 C. we’ll fly　 D. we are to fly

63.　 –I didn’t see you at the party last night. Didn’t you go to it?

--I______, but I had extra work to do.

A. was to　　 B. were to have　　 C. was to have　　　 D. would

62.　 She’s very angry. Don’t speak to her until she’s ______ a bit.

A. broken down　　 B. come down　　 C. cooled down　　 D. let down

61.　 When I passed by the gate, I found a boy filling holes ______.

A. with earth　　 B. on the sands　　 C. by field　　 D. on earth

60.　 Where ______ did you go? I didn’t find you anywhere.

A. in the earth　 B. on the earth　 C. on earth　 D. by earth

59.　 The computer system ___ suddenly while he was searching for information on the Internet.

A. broke down　　 B. broke out　　 C. broke up　　 D. broke in

58.　 Press the button when the light goes on-you’ll soon ______ it.

A. make full use of　 B. make sense of　 C. be familiar with　 D. get the hang of