weekdayswegetup7o'clock.A.In;atB.On;inC.On;atD.At;at

Question

______weekdays we get up ______7 o' clock.A.In; at B.On; in C.On; at D.At; at

Answer 1

我觉得选C
o' clock 前面一般都用介词at
on weekdays 指平时（工作日）,算是固定词组吧~
整句话的意思是：我们平时7点钟起床.