87. focusing on experiment.或者concentrating on experiment.

       测试点：动名词作宾语+短语focuse on的用法

88. did she lose temper.

     测试点：倒装+短语lose temper的用法

89. being invited to attend the opening ceremony.

     测试点：动名词作宾语+短语attend the opening ceremony的用法

90. be installed near the window.

     测试点：虚拟语气+被动语态+单词install

 91. the strong opposing from his parents.

     测试点：介词despite的用法

 

【责任编辑：】