—____ is your schoolbag?

Is this your schoolbag? What colour is your schoolbag schoolbag,too,is,your,heavy is everything in your schoolbag? schoolbag,is,your,it 怎没连 是is this schoolbag your还是is this schoolbag yours I ( ) your schoolbag is in your room. What colour is your schoolbag是什么意思 Is that your schoolbag 同义句Is_____schoolbag_____? schoolbag is your it 连词成句 What is in your schoolbag什么意思 课本内容：what is in your schoolbag?