5.A. a B. the C. some D. /
6.A. bring B. bringing C. send D. sending
7.A. which B. what C. in that D. where
8.A. to B. in C. of D. on
9.A. / B. in C. of D. on
Americans offer __5__ great variety of reasons for doing so， including the desire of some parents to __6__ their children to schools __7__ classes tend to be smaller， or where religious instruction is included as part of the educational system， or because __8__ their opinion， the public schools in their area are not __9__ high enough quality to meet their needs.
5. A. 分析：考察定冠詞的用法（固定搭配）
a variety of = all kinds of
6． C. 分析：考察語(yǔ)法及常見(jiàn)詞的用法辨析。（固定搭配）
a desire for sth.對(duì)。。的渴望/ desire to do sth. 渴望做。。
比較：a wish to do sth.
7． D. 分析：考察從句與主句之間邏輯關(guān)系�？崭袂笆敲~，空格后是從句，所以首先考慮定語(yǔ)從句結(jié)構(gòu)。
in that = because因?yàn)?/P>
8. B. 分析：考察固定搭配。
in one’s opinion ＝ in the opinion of： 依據(jù)某人的觀點(diǎn)來(lái)看
have a good opinion of oneself自視甚高； 自信； 自高自大
have a high opinion (of sb. [sth.])(對(duì)某人[事])有很高的評(píng)價(jià)
have a low opinion (of sb. [sth.])(對(duì)某人[事])評(píng)價(jià)甚低； 輕視
in ones own way 用。方法
9.C．分析：考察常見(jiàn)介詞的用法。