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题型：单选题题类：真题难易度：普通

It might have saved me some trouble ______ the schedule.

A、did I know B、have I known C、 do I know D、had I known

举一反三

Even more widespread _______ the copying of music and the pirating of software, especially with the development of new computer programs.

Little _________ that he was seriously ill himself.

Not only______an explorer but also he was a great thinker______this thirties.

“Never for a second,” the boy says, “ ____ that my father would come to my rescue.”

Not only _______ about the food, he also refused to pay for it.

—Were you caught in the rain yesterday?

—Good luck. No sooner {#blank#}1{#/blank#}(I reach) home than it poured down.

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