25．James Williams is my favorite professor; his speech is always brief, clear andthe point

发布时间：2020-08-15 02:17:15


25．James Williams is my favorite professor; his speech is always brief, clear and    the point.
A. to
B. on
C. at
D. Of

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(答案→)A. to
B. on
C. at
D. Of
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