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  • 2022-06-17 问题

    Itmighthavesavedmemuchtrouble_____theschedule. A: didIknow B: haveIknown C: doIknow D: hadIknown

    Itmighthavesavedmemuchtrouble_____theschedule. A: didIknow B: haveIknown C: doIknow D: hadIknown

  • 2022-06-06 问题

    Only after I read the text over again (__) its main idea. A: Iknew that B: didIknow C: Icouldknow D: Ididknow

    Only after I read the text over again (__) its main idea. A: Iknew that B: didIknow C: Icouldknow D: Ididknow

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