问题标题:
shewentonline,quickly____thatregularuseofthiskindofdrugcanleadtocancer.A.learningB.learnedC.tolearnD.havinglearned我感觉是learned求真相..
问题描述:
shewentonline,quickly____thatregularuseofthiskindofdrugcanleadtocancer.
A.learningB.learnedC.tolearnD.havinglearned
我感觉是learned求真相..
白霞回答:
learning强调主动,且动作在went同时发生
learned强调被动,且动作在went前已经完成
所以改选A
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