—We didn’t find the Blacks the lecture.—No one had told them about a lecture the followi

问题补充：

—We didn’t find the Blacks the lecture.

—No one had told them about a lecture the following day.

A. attending；there being

B. to attend；there to be

C. attended；there be

D. attend；there was

答案：

(答案→)A. attending；there being

B. to attend；there to be

C. attended；there be

D. attend；there was

解析：

第一空attending作宾补，补充说明the Blacks的动作；第二空there being为动名词短语作介词about的宾语。