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举一反三
【单选题】Elephants have their own way to tell the shape of an object and _____ it is rough or smooth . [ ]
A.
不填
B.
whether
C.
how
D.
what
【单选题】Elephants have their own way to tell the shape of an object and ________ it is rough or smooth.
A.
不填
B.
whether
C.
how
D.
Which
【简答题】5) What did Andrew Carnegie own by 1900?
【单选题】Elephants have their own way to tell the shape of an object and_________ it is rough or smooth. [ ]
A.
/
B.
whether
C.
how
D.
what
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