五、词汇 (共20小题，每小题l分，计20分)

A．根据句意及所给的汉语提示，写出单词的适当形式，使句子的意思完整、正确。

81. The clouds in the sky are in different ________ (形状).

82. You’d better tell the police the       (事实，真相) if you don’t want to get into trouble.

83. We are all interested in knowing if he had any ________(敌人).

84.It’s _______ (累人的) for us to get to the top of the mountain.

85.The soldier ________ (悬挂) his clothes up and made them dry.

B. 根据句意用括号中单词的适当形式填空，使句子的意思完整、正确。

86. This computer system has been ____________ (break) into several times.

87. He _______ (lie) down because he had a headache.

88. My teacher did what he could _______ ( make) his class lively.

89. If it rains tomorrow, the football match __________ (cancel).