Question

When will Professor Johnson finish his talk?At about______ tonight.

A.

Answer 1

【答案】：At about 8 o’clock tonight．
At about 8 o’clock tonight． 解析：本题询问约翰逊教授什么时候将结束他的演讲。根据文章第六句话“At about 8 o’clock tonight，when the talk finishes…”，可以得出答案为8 o’clock。