题目列表(包括答案和解析)
22. _____ computer has been proved to be _____ important aid in classroom teaching.
A. The; an B. The; the C. A; the D. A; /
_____ computer has been proved to be _____ important aid in classroom teaching.
A. The; an B. The; the C. A; the D. A; /
_____ computer has been proved to be _____ important aid in classroom teaching.
A. The; an B. The; the C. A; the D. A; /
_____ computer has been proved to be _____ important aid in classroom teaching.
A. The; an B. The; the C. A; the D. A; /
22．_____ computer 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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