Will three o'clock be c__ to visit

It will start at three o'clock. Will three o'clock be c__ to visit Will three o'clock be c__ to visit It will begin at three o'clock.怎么改为问句 i will see you at three o'clock什么意思 初中英语奥赛题The headmaster will be back______A.in three o'clock B.after three o'clockC.three hours after D.after three hours为什么答案是B?其他答案（尤其是D）哪里不对? ———will the work be finished?After three o'clock.A how soon B how often C how far DHow long It was three o'clock ten minutes ago.What will it be an hour's time? my father will come back at three o'clock in the afternoon同义句怎样写 she will be at school (at three o`clock)对括号内部分提问 It is three o’clock.提问 when did you meet your friends?A.10minutesA.10minutes B.Three days ago C.At three o'clock How ofen do you take exercise?A.sometimes B.Three hours C.At three o'clock D.In two hours It's three o'clock.有谁知道It's three o'clock.的意思!急快 three o'clock's train 这样表示对吗?还是只能three o'clock train 理由. we went to the park at three o'clock.怎样对“at three o'clock”提问? Mr.Green will be back______ A.in three hour's time B.after three o'lock C.three hours laterMr.Green will be back______A.in three hour's time B.after three o'lock C.three hours later Mr.Green will be back______A.in three hour's time B.after three o'lock C.three hours laterMr.Green will be back______A.in three hour's time B.after three o'lock C.three hours later