—We didn’t find the Blacksthe lecture. —No one had told them abouta lecture the following

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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