Unit1Scientificachievement11.Whichonedoyouthinkisthemostimportant?Whataresomeotherscientificachievementsthatyouthinkareimportant?Ithink/suggest(建议)/suppose(认为,以为)/believe/imagine(猜想,认为)/guess(猜想,估计)及它们的疑问形式Doyouthink/suggest/suppose/believe/imagine/guess是插入语,在特殊疑问句中,用特殊疑问词+doyouthink+陈述句的形式.1)你建议我们该做什么呢?2)你认为谁适合...