这几个介词要怎麼用?I always remember to teach my student( )showing them the right ways to do things.1,for 2,at 3,by选哪一个呢?这三个选项的介词要怎麼用呢?

这几个介词要怎麼用?I always remember to teach my student( )showing them the right ways to do things.1,for 2,at 3,by选哪一个呢?这三个选项的介词要怎麼用呢? I always watch TV ____ Saturday evening.用介词填空 I always help my mother -----housework填介词. I always help my mother -----housework.填介词. o,r,m,r,r,i这几个字母能拼出什么英语单词 i、o、r、r、m、r,这几个字母能组成什么单词? f g i e r t a r o r r e这几个字母能组成什么单词 b o r i r h e l ,这几个字母能组成什么单词, v r r i a e 这几个字母可以拼成什么单词? v r r i a e 这几个字母可以拼成什么单词? I always needed time on my own 介词为什麽是on? I will always help when they are ----- trouble 横线上填什么介词 I always go()work()seven twenty()the morning填什么介词 I always watch TV ___half an hour every evening.填介词 I always eat my breakfast ( ) going to school in the morning.介词填空 介词填空：I always eat my breakfast ---------- going to school---------- the morning. 填介词 1 i only play ping pong ------ class 2 she always plays tennis ------- mary I’ve always dreamt of going to space为什么是介词宾语?