ls this...for...怎么填

ls this...for...怎么填 ls it for me?-Yes,( ) 该怎么填呢? ls this a TV?NO,it________.lt's________________.横线上怎么填 ls this your pen改为否定回答,怎么改 ls this the playground?改成肯定句怎么改 英语ls this your ls this your ls this the ls this your school? Can you ____(send)this letter for me?怎么填, ls this ( ) english book?( )中填啥? ls this a picture是什么意思 ls++this++your++school是什么意思 ls this new calculator _____? 怎么下载ls a和an．the的区别ls this ( ）English book又用哪个介词填 This it is an eraser.这个句子该用在哪,怎么用?为什么不用This ls an eraser. I o___ this morning,so I was late for school.怎么填啊