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SAT09年5月真题section4/25、27Determinedtomakeanameforherselfasawriterofshortstories,Helenneversubmitsanythingtoaneditoruntilrevisingitseveraltimes...为什么revising错了.until后面到底能不能加doing啊?TheEnv

题目详情
SAT09年5月真题section 4 /25、27
Determined to make a name for herself as a writer of short stories,Helen never submits anything to an editor until revising it several times...
为什么revising 错了.until 后面到底能不能加doing啊?
The Environmental Protection Agency has named six winners of their Water Efficiency Leader Award,created to encourage innovation in developing products and practices that use water efficiently.(of their 错了,但是改成什么呢?)
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答案和解析
25 doing 指代不清,应该是until she revising,这种doing单独出现的情况要注意!
27 介词错误,你不感觉of 很怪么,应该改成 as 或者 for 吧
PS 作为已经从SAT的魔爪中已经逃离出来的学长,我想告诉你,问这种题不要再baidu里问,很不专业的.去 taisha 或者 manfen里边,或者找老师问