where are these ____ letters come from.(busy)填合适形式

Where ____ you ____(be) these days? Where are these things是什么意思 where are these ____ letters come from.(busy)填合适形式 These are our bags where are____(they)? Where are these countries yamous for? Are these your frenids? yes ____.no____ These ____ (watch) are from his parents. ____ scary these tigers are!在线等 these bikes are the ____(twin) -What are these?-____ ____ chairs.填They are还是These are? Where are these people from?Where are these people from?Where are these persons from?Where is Ms lee from?What's mean?Thank you very much! These are my sister's presents.对my sister's 提问.____ ____ ____ these? All these people are working hard.（改为感叹句）____ ____ all these people are working. Why are you so ____ ____ these days?(forget) These are fat pigs.(同义句转换)These____ ____ ____ Are these __ (you) pencil yes,they are ____( our ) where are these dogs from?改成同义句 where are these children---------?america.用介词怎么填