Eve doesn't spent much time ______reading 填写的是in还是on 但老师说是on

Don't you think you've spent too much time in more time on s She doesn't () much time on her homework 苹果在树上用in还是on?为什么有老师说是on,但有老师说应为被叶子遮住所以是用in?到底用什么?在考试的时候我们改填什 是on Spring Festival's Eve还是用in 请问及时的英语是in time 还是on time? at eve还是on eve she has spent much time ____english.(A at B to C in D on) 在早餐时间是用on breakfast time还是at breakfast time,还是in breakfast t Nowadays ,people spent much of their leisure time on watchin most of students spent much time on computers nowadays ____ he spent much time on his spoken English(act) on time还是in time?