题目内容
(请给出正确答案)
[主观题]
This is an exciting area of study, and one ______ which new applications are being discove
red almost daily.
A.from
B.by
C.in
D.through
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A.from
B.by
C.in
D.through
B.would be
C.to play
D.an exciting
A.catch
B.get
C.grab
D.exciting