問題詳情:
When he came back three hours later,they were still sitting on the sofa,________in conversation.
A.absorbing B.absorbed
C.to absorb D.to be absorbed
【回答】
B解析: 考查非謂語動詞。句意為:當他三個小時後回來時,他們仍坐在沙發上,聚精會神地交談。be absorbed in為固定搭配,意為“專心於”,所以此處應用absorb的過去分詞形式,作伴隨狀語。
知識點:非謂語動詞
題型:選擇題