高中英语agreatnumberofvolunteers,someof________fromforeigncountrieswenttoYa'antohelprebuildthecityafterearthquake.
答案是them。老师说不能填whom因为缺少位于填them是作同位语同位语就可以没谓语吗?
____________tobegeneralagreementthatatleastonethirdofstudentsareusedtoplayingcomputergameswhenstayingathome.
答案是thereseems为什么不能填Itseems?
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