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      18.5 介詞+關(guān)系詞
      ?
      1)介詞后面的關(guān)系詞不能省略。
      2)that前不能有介詞。
      3) 某些在從句中充當(dāng)時(shí)間,地點(diǎn)或原因狀語的"介詞+關(guān)系詞"結(jié)構(gòu)可以同關(guān)系副詞when 和where 互換。
        This is the house in which I lived two years ago.
        This is the house where I lived two years ago.
        Do you remember the day on which you joined our club?
        Do you remember the day when you joined our club?















       學(xué)習(xí)啦--英語語法大全