look back at 与look back on区别

look back at 与look back on区别 look as at / look back at RT look back on与look back into Look at you silently at your back look back on 与 look back to 有什么区别? look back look up与look at 的区别 Look与Look at有什么区别?_____my new jacket.空里填Look还是Look at? Look,this is a nice picture_____the park.A.at B.of C.back look at Look at look at look at think back to还是 think back on 还是两者都有.look back on还是look back at look back to think back to还是 think back on 还是两者都有.look back on还是look back at look back to I____something to cook.A:look at B:look for C:look after D:look up _______ the notice board carefully.a.look b.look for c.look at d.look up looking at与look at 区别RT