Question

【题目】The lecture, （start）at 7:00 pm last night, was followed by an observation of the moon with telescopes.

Answer 1

【答案】tarting
【解析】句意：昨晚七点开始的报告之后是用望远镜观察月亮。lecture与start之间为主动关系，故用starting作后置定语，故填starting。