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So difficult did I find ___ to work out the problem that I decided to ask my partner for help.
A．myselfB．usC．itD．that
C
考察代詞用法,myself我自己,us我們的賓格形式,這兩個(gè)代詞都是指人. It時(shí)它的意思,一般只代某一事物（即句子中的賓語）或作形式主語或賓語，that時(shí)那個(gè)的意思,可指代一整句話。根據(jù)題意find的實(shí)際賓語是work out the problem，故用it做形式賓語，選C。我發(fā)現(xiàn)解決這個(gè)問題太難了，因此我決定向我的伙伴請(qǐng)求幫助。
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