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【单选题】

Science and technology is changing fast nowadays.I bought this MP3 player at the beginning of this year but now it's out of ________.

A.
date
B.
order
C.
use
D.
sight
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举一反三

【单选题】253.Great changes ________ for the latest twenty years in China.

A.
have taken place
B.
have been taken place
C.
have happened
D.
have taken the place of

【单选题】When I came in, I found Lucy________by the window________to music.

A.
seated; listening
B.
seated; listened
C.
seating ; listened
D.
seating ; listening