22. computer has been proved to be important aid in classroom teaching.A. The; anB. The;

发布时间：2020-08-16 06:36:33


22.      puter has been proved to be      important aid in classroom teaching.
A. The; an
B. The; the
C. A; the
D. A; /

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(答案→)A. The; an
B. The; the
C. A; the
D. A; /
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