Question

【题目】He is going to learn English ________7:00 ________ Sunday morning.
A.at; in
B.at; on
C.in; on

Answer 1

【答案】B
【解析】句意：星期天上午7点他将去学英语。在月份的名词前常用介词in，on用在具体的某一天，at用在钟点前面；故选B。