V．情景交际。(5分)

从方框中选择适当的选项补全对话。

A：Good afternoon，Dr. Smith．

B：__76__ Sit down，please．What's wrong with you?

A：I don't know．But __77__．

B：You look pale．__78__

A：Yes．

B：Er ．．．Let me check you over first ．．．Oh，you have the flu．

A：__79__

B：Don't worry．Nothing serious．Take this medicine three times a day．

A：__80__

75．To keep healthy，we should eat more fruit and vegetables _________(取代)meat．

74．Our football team will _________(同……比赛)yours this Friday afternoon．Would you come and cheer them on?

73．Children should sleep _________(至少)ten hours every day．

72．I'm sorry I couldn't _________(接通)to you last night．

71．Franc is not a child at all．He can _________(照顾)himself well．

70．Jim feels s_________ in class because he went to bed too late last night．

(B)根据句意及汉语提示完成下列句子。

69．Nothing is difficult in your study if you put your h_________ into it．

68．We should do more exercise to b_________ up our bodies．