When he suddenly ________ up the subject of genetic engineering, there was an embarrassedsilence.
A、tookB
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Ifyouwanttofindadecentlocationforyourownhome,________Mr.Smithforadvice.
Othersarguethatsincetheearthhasenduredalongstringoficeagesinthelasttwomilliontothreemillionyears,anywarmingis________tobetemporary.
Asyoulikepopmusic,__________Ilikeliterature.
WeweretoldthatSuewouldbeidealforthejob,butshe________badlywhenwetalkedtoher.
Theassociationis________toraisingfundstohelptheblind.
