准时交作业是in time 还是on tim?e

on time还是in time? 请问及时的英语是in time 还是on time? 是on free time 还是in free time 是in the day time还是on the day time 是in the half-time 还是on the half-time 还是at 他和half time 是in the half-time 还是on the half-time还是at the half-time in spare time还是on spare time 用准时（on time）造句 ___my the first time 是on 还是 in 在早餐时间是用on breakfast time还是at breakfast time,还是in breakfast t We just ______ to catch the bus 是填in time还是on time 是on that time 还是in that time?表示在那个时期应该怎么说