When they saw the pile of paper on the teacher's desk, the class made the ______ that they
A. preference
B. inference
C. conference
D. reference
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第一节 单项填空
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。
______ Mr. Li called today, but not ______ Mr. Li who called yesterday.
A. / ; a
B. A; the
C. / ; the
D. The; a