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【单选题】
—Are these pens ? —Yes, _____. [ ]A.
these are
B.
they are
C.
there are
D.
they're
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【简答题】大多数人都害怕公共演说。一想到要独自站在一大群听众面前讲话就会吓得不知所措。 Most people fear public speaking. They are always _______ the thought of standing alone in front of and speaking to a large audience.
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