87道题考察的是find in doing sth,曾经在2009年12月考察过,所以答案为:in focusing on her experiment. - c: s7 f& b1 m% l' v88道题考的是部分倒装。此道题需要注意的是,句首出现否定词时需要进行部分倒装。所以答案为: neither has she lost her temper. * _& Y0 A" b/ _ z* n2 ]. f89道题考察的是被动语态,答案为 being invited to attend the opening ceremony. - \7 y! g x0 t& o! d% C90道题考察的是虚拟语气,即特殊关键词后面加(should) do。所以答案为:(should) be installed next to the window. / G; `1 M W1 i& }" i/ b91道题不难,答案为her parents’ strong opposition.