We will be given a(n) to ask questions at the end of the lecture.
A. presentation
B. explanation
C. opportunity
D. possibility
网友回答
A. presentation
B. explanation
(答案→)C. opportunity
D. possibility
解析:句意:在会议结束时我们将被给一次机会去提问题。presentation描述; explanation 解释; opportunity机会;possibility可能。根据句意故选C。