问题补充:
—We didn’t find the Blacksthe lecture.
—No one had told them abouta lecture the following day.
A. to attend; there to be
B. attending; there being
C. attended; there be
D. attend; there was
答案:
A. to attend; there to be
(答案→)B. attending; there being
C. attended; there be
D. attend; there was
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