Samuel Clemens, _____ Mark Twain, because a famous American writer.
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A
was known as
B
known as
C
was known for
D
known for
推荐题目
______ a family of chimps wake up is our first activity of the day.
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A
Watch
B
Watching
C
Watched
D
Being watched
 While ________ the street, he was hit by a car.
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A
crossing
B
cross
C
crossed
D
to cross
—They are quiet, aren’t they? —Yes. They are accustomed ______ at meals.
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A
to talk
B
to not talk
C
to talking
D
to not talking