104. in charge of (=responsible for) 负责(某事)　in the charge of …由…管　­

103. charge sb. with …控告某人犯有…　­

102. for a change换换环境(花样等)　­

101. by chance(=accidentally, by accident)偶然　­

100. for certain of (=for sure )肯定地,有把握地　­

99. be certain of (=be sure of) 有把握, 一定.　­

98. center one’s attention on(=focus one’s attention on) 把某人的注意力集中在…上　­

97. be cautious of 谨防　­

96. in no cas　­e在任何情况下都不(放句首倒装句)　­

95. in case of (=in the event of)如果发生…万一　in the case of 至于…, 就…而言　­