Twoyearsago的知识精选

Twoyearsago,BoyanSlat,41.
问题详情:Twoyearsago,BoyanSlat,41.________ 19­year­olduniversitystudentinHolland,madetheclaimthathe42.________cleanuptheoceans(海洋)vastaccumulationofplastics(塑料)inaboutfiveyears.43.________adivingholiday...
--Whendidyoubecomeavolunteerfortheelderly?--Twoyearsago...
问题详情:--Whendidyoubecomeavolunteerfortheelderly?--Twoyearsago.I       thisgroupsincethen.A.joined      B.tookpartin     C.havejoined     D.havebeenin【回答】D知识点:动词时态题...
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