97. To learn English well,we need more p__________.

96. The famous singer refused to p__________ unless given a proper reward.

95. He wrote a poem in p________ of the hero.

94. He is a teacher with rich p___________ experience.

93. Your friendship is most p__________ to me.I’ll treasure it forever.

92. There the chief farm p__________ are wheat and corn.

91. On New Year’s Day,we all had a very p_________time.

90. Something must be done with the p___________ water.

89. P________to the young plant,he told us what type of plant it was.

88. All the people p__________ at the conference agreed to the suggestion.