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英文语法问题Iimmediatelyembarkedonanexperimentwhich,eventhoughiffailedtogetridoftheants,keptmefascinatedfortwenty-fourhours.

题目详情
英文语法问题
I immediately embarked on an experiment which,even though if failed to get rid of the ants,kept me fascinated for twenty-four hours.
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答案和解析
定语从句 + 让步状语从句
1 I immediately embarked on an experiment.(简单句)
2 The experiment kept me fascinated for twenty-four hours even though if failed to get rid of the ants,(让步状语从句-------even though- - - - -)
3 定语从句:I immediately embarked on an experiment which kept me - - - -- .(定语从句:an wxperiment which - - -- - -)