81. The firm has seen considerable changes after he ____ to be the director of the business division.

A. elect   B. to elect   C. was elected   D. elected

81.C【解析】空格内应填入谓语动词，并和after(连词)后的主语和he 搭配。首先排除B 选项；因为应填入动词的单数形式，排除A 选项；C 选项和D 选项则是主动语态和被动语态的区分。空格后没有可以做宾语的名词，因此选择被动语态，是elect him(to be)the director 的被动形式。

82. LAPD reported that the middle-aged man had been apprehended at the scene ____ after the accident.

A.shortly   B.rightly   C.presently   D.likely

82.A【解析】空格内应填入修饰后面“介词+名词”的副词。

shortly after “刚...之后”是正确答案。

83. The revised requirements will ____ affect most of the new applicants.

A.adversely   B.adverse   C.adverseness   D.adversity

83.A【解析】助动词和动词原形之间应当填入副词。因此A 选项是正确答案。

84. Residents in this area requested to submit ____ of residence to verify they actually live here.

A.report   B.request   C.proof   D.approval

84.C【解析】本题考查名词的用法。解题的提示在于to verify 这个地方，意为“证明他们实际在此居住过”。因此，为了证明本人的居住事实，应该提交“居住证明”，也就是proof of residence。

85. The Human Resources department is considering____a new benefits package for the benefit of the employees.

A.introduced         B.to introduce

C.being introduced    D.introducing

85.D【解析】consider 是以动名词为宾语的及物动词。空格后面还有宾语（a new benefits package 意为“新的福利制度”），因此，在C 选项和D 选项中选择主动语态的D 选项。

86. The newly purchased equipment from Korea is capable ____ and producing subminiature products.

A.measuring      B.to measure

C.in measuring    D.of measuring

86.D【解析】请记住be capable of sth。意为“有能力做某事”。

87.____the company is not as successful as other big companies, it's proven it can expand internationally.

A.Even though   B.If    C.Yet    D.As though

87.A【解析】空格内应填入引导状语从句的连词。yet 是连词，不用在句首。

通过释义能选出最符合的答案even though。

88. It was my deepest regret that I failed to submit my report by the____deadline.

A.ready     B.original    C.considering    D.hesitant

88.B【解析】本题考查修饰“最后期限”（deadline）一词的形容词。

original deadline 意为“原始的最后期限”。

89. One of the trainees is____complaining that she has to put in an excessive amount of overtime to finish the paperwork.

A.yet   B.ever   C.since   D.still

89.D【解析】所有选项都是起副词的作用。A 选项和B 选项主要用在否定句中；since 主要用于完成时；still 主要用于肯定句以及现在进行时，意为“仍然（在做某事）”。

90. All workers can take a day off as the installation of cutting-edge facilities at our factory is____underway.

A.directly   B.extremely   C.presently   D.enormously

90.C【解析】使用副词来修饰形容词时，要考虑两者的搭配。

presently underway 意为“现在进行中”。