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科目： 來源：不詳 題型：單選題

Only after he realized the significance of mastering two languages ______ English carefully.
A．did he set about learningB．did he set out learning
C．had he set about learningD．had he set out learning

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科目： 來源：不詳 題型：單選題

Out of the crowded bus ______, who was dressed in a black suit, waving to a woman.
A．a(chǎn) tall man steppedB．stepped a tall man
C．did a tall man stepD．a(chǎn) tall man did step

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科目： 來源：不詳 題型：單選題

Knowing office rules -- whether ______ or not -- is important, especially for young job seekers.
A．writtenB．writingC．being writtenD．having been written

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科目： 來源：不詳 題型：單選題

Hardly _______ to speak when the audience interrupted him.
A．he beganB．he had begunC．had he begunD．did he begin

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科目： 來源：不詳 題型：單選題

Only when the firefighters put off the fire       what great damage it caused.
A．we had realizedB．had we realizedC．we realizeD．did we realize

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科目： 來源：不詳 題型：單選題

— Did you know any Chinese before you arrived in Beijing?
— Never ________ it, actually.
A．had I learned B．have I learned C．I have learnedD．I had learned

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科目： 來源：不詳 題型：單選題

Only when we failed ________ the importance of study.
A．we realizedB．we had realizedC．did we realizeD．had we realised

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科目： 來源：不詳 題型：單選題

To every one of us present ______ the honour for the great success.
A．belongsB．belonging
C．is belongedD．belong

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科目： 來源：不詳 題型：單選題

____ , his idea was accepted by all the people at the meeting.
A．It might sound strangeB．As it might sound strange
C．As strange it might soundD．Strange as it might sound

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科目： 來源：不詳 題型：單選題

Not until the woman was out of work again two months ago ____ going to attend a training class.
A．had she consideredB．did she consider
C．she consideredD．she had considered

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