The first class beings ______ 8 o'clock. A.about B.for C. at

What's the time?It's___6 o'clock.A.at B.for C.of D.about At seven o'clock- the evening of Marth8.A.in B.on C.at D.for I ____ at about eight o'clock.A.get B.get there C.get to the Class begins( )eight in the morning选择题 A about B in C at D o The teacher came at about 4 o'clock.We____(have)a class meet class ______(begin)at eight o'clock. I go to bed ( ) about nine o'clock every day.A.at B.in C.on —When will the train__?—At about 10 o'clock.A get to B reach The room_light at night until about 12 o"clock A lit B opene It's ( ) ten o'clock.选择:A.at B.adout C.for --What's the time ---It's ____ eight o'clock .A.at B.on C.in the meeting-----at five o'clock.a.start b.begin c,starts d.i