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After__the Internet for two hours,she found some useful information.A.searching B.had searchedAfter__the Internet for two hours,she found some useful information.A.searching B.had searched C.has searched D.searches(选择)

题目详情
After__the Internet for two hours,she found some useful information.A.searching B.had searched
After__the Internet for two hours,she found some useful information.
A.searching B.had searched C.has searched D.searches
(选择)
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答案和解析
选A after 为介词 后跟V-ing形式