what's this?后面填 a:yes it is b:sorry,i don't konw.c:i like it

what's this?(填单词)a ruler.what's this?____a ruler.下划线填单词 what's this?后面填 a:yes it is b:sorry,i don't konw.c:i like it What's this book China's history在book后面填介词 填a还是an What's this?It's_______apple. What's this in_______English?横线上应填a,an还是/ 填句子补全对话A:______,what's this?B:It's a picture.A:_______________________?B:No,it's not her picture.A:_______________________B:They're trees.A:________________________?B:Yes,there are two birds in the picture.A:_______________________?B:Ye What‘s the lady后面填什么 --what's this?--_____is a pen.为什么要填these?为什么不能填it? What's this in the box ( ) a puppet.)里应该填It's There's 还是This is 有首女歌手唱的英文歌歌词是.i say hey ye ye ye hey ye ye ye .what's going on. A：what's this（）? She was seven s this term.s后面填什么? What's this in English?It'( )apple.A.an.B.a.C.不填 选哪个? It's a good s for Kim to work in this new citygood后面填一个s打头的字母 what is this? (U)It is 后面怎么填 What's this?________ a red apple.A.This is B.It's C.It D.This's横线上填什么 -What's this?-It's _____ arm.(填什么） -What's this?-It's a-------.