48. We should try to save energy. What shall we use for power when all the oil in the world has      ?

A．given out

B．put out

C．held up

D．used up

47. The students are          the final exams and the teachers have already        the lest papers.

A．preparing; prepared

B．preparing for; prepared

C．prepared for; been prepared

D．preparing; prepared for

46. ―Are all telephone numbers        in the directory?

―Yes, all         Jane’s.

A．listed; included

B．listing; includes

C．listed; including

D．being listed; being included

45. ―What he said doesn’t seem to be         .

 ―He is always saying without a moment’s thought.

A．called up

B．called at

C．called in

D．called for

44. ―What did you talk about in the plone?

 ―Mike asked me        . I told him we       next week.

A．when would we put our new play on; would put on it

B．when we would put on our new play; would put it on

C．when we would put on our new play; would put on it

D．when we will put our new play on; will put it on

43. ―Did Jack come back late last night?

 ―No. It was just eight o’clock         he got home.

A．before

B．until

C．that

D．when

42. When        different cultures, we often pay attention only to the differences between them.

A．compared

B．being compared

C．comparing

D．having compared

41. Every minute is made full        of         our lessons well.

A．to use; study

B．use; studying

C．use; to study

D．used; studying

40. Many people said that they would come to the party, but in fact there were only ten          .

A．at all

B．after all

C．above all

D．in all

39. Ladies and gentlemen, please fasten your seat belts. The plane          .

A．takes off

B．is taking off

C．has taken off

D．took off