ls this ( ) english book?( )中填啥?

ls this ( ) english book?( )中填啥? 英语ls this your ls this your ls this the ls this your school? ()25.ls this ___________ English book?A.a B.l C.your D.you ls your friend an English Ls Mike an English boy ls this a picture是什么意思 ls++this++your++school是什么意思 ls this new calculator _____? ls this...for...怎么填 这些英文哪里错了并且改What‘ s this ls’ s yellow pen lt is a orange in English a和an．the的区别ls this ( ）English book又用哪个介词填 ls this an orange 这句子哪错了,正确的是什么哪?what's this in english 这里的what‘应该是什么哪? ls. ls your English teacher后面是啥ls your English teacher ls this question easy 的意思是什么?