83. I don't think we have worked out a___________ (策略) to deal with this situation.

82. We've___________　 (决定) that we will go to London for our next summer holidays.

81.I think this photo of people is taken less___________　 (成功 ).

80. Our country's e___________ great changes in the last 30 years.

(B)根据所给汉语以及旬意，以正确的形式填写正确的单词。(5分)

79. The manager of the company asked him to have a complete p___________ examination.

78. This year World Health Day examines the health of mothers and children in d___________ countries.

77. He was lying in the sun looking very r___________ and happy.

(A)根据句意和首字母提示，以适当形式填写正确的单词。(5分)

76. Is it possible to carry on a c___________ with all this noise on the street?

21．________22．________23．________24．________25．________