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    A. must B. may C. can D. should Let's pretend we're sailing down the Rhine River on a pleasure boat. The Rhine is one of the main waterways of Germany, and the river traffic is heavy. It's interesting to watch the many boats going up and down the river. But the river traffic is not nearly so interesting as the beautiful scenery along the banks and hillsides. The boat is passing many old castles. We can see people working in the vineyards on the hillsides. There are vineyards as far as the eye can see. Wine from the Rhine Valley is famous all over the world. Suddenly our boat slows down and begins to turn a little. We are coming to a sharp bend in the river. On our right we can see a rocky cliff over 400 feet high. At first it looks quite ordinary, but there is nothing ordinary about it. There are many stories, poems, and songs about the cliff. We are looking at the Lorelei. The someone on the boat begins to sing in German, the song of the Lorelei. It is a song about a beautiful siren who has lured many sailors to their deaths. The siren is supposed to sit on the rock combing her long golden hair and singing. The sailors who hear her forget to steer, and the current of river hurls their boats on the rocks and dashes them to pieces. Soon other people on the boat begin to sing. The beautiful song adds to special magic to the moment, and you begin to realize why so many people have made this trip down the Rhine to see the rock of the Lorelei. 【查看更多】

     

    题目列表(包括答案和解析)

    Nobody knows how people first came to these islands. They _____ from South America on rafts.

    A .must have sailed　

    B. can sail　

    C. might have sailed

    D. should have sailed

     

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    The boy _______ the first prize, but he was so careless as to make a foolish mistake.

    A. must have gained　　　　　　　　　　　　　　　　　　　　 B. need have gained

    C. could have gained　　　　　　　　　　　　　　　　　　　　 D. shall have gained

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    —Are you coming to Alice’s party??

    —I’m not sure.I _______ go to the concert instead.

    A. must B. would　?

    C. should D. might?

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    There was no light in the dormitory last night. So, they ________ to the lecture then.

    A. must have gone 　　　　　　　 B. should have gone

    C. needn’t have gone　 　　　　　 D. couldn’t have gone

     

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    We ________ last night , but we went to the concert instead.

    　 A. must have studied　 　　　　　　　　　 B. might study　 　　　

    　 C. should have studied　 　　　　　　　　 D. would study

     

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