Question

【题目】My father usually gets up _________ six o'clock _________ the morning
A.in, on
B.in, at
C.at, in
D.on, in

Answer 1

【答案】C
【解析】句意：我的爸爸通常在早晨六点钟起床。在具体的时刻前用介词at，在早晨用in the morning。所以答案是C。