I clearly remember talking to him in a chance meeting last summer.

A. unplanned
B. deliberate
C. accidental
D. unintentional

Xem đáp án và giải thích

Đáp án đúng là: A. unplanned

Giải thích:

The phrase 'chance meeting' refers to a meeting that happens unexpectedly or by accident. 'Unplanned' and 'accidental' both convey this meaning. 'Deliberate' means done on purpose, which is the opposite of a chance meeting.