________isobvioustha的精選

問題詳情：________isobviousthateveryoneisconcernedaboutthepresentsituationofourenvironment.A．There B．This C．It D．What【回答】C[句意：很明顯大家都在關注我們目前的環境狀況。It作形式主語。]知識點：代詞題型：選擇...