Question

【题目】I watch TV at 8:00 _____ night.

A. on B. in C. at

Answer 1

【答案】C

【解析】句意：我晚上8点看电视。在月份/季节的名词前常用介词in，on用在具体的某一天，at用在钟点前面；该句子中at night是固定短语，故选C。