Fill in the blank with 'in, on, at': She often spends a lot of time ... her bedroom but now she is not ... home. ... this room, she puts her bed ... the left, the sofa ... the right and the yellow carpet ... the center

She often spends a lot of time[1]  ...........her bedroom but now she is not [2] .........home . [3] .......this room , she puts her bed [4] .........the left , the sofa [5] .......the right and the yellow carpet [6] ........the center  . she studies [7] .........her table between the bed and the sofa . [8] .........this table , there is a laptop and a phone . she stores her study materials [9] ........the laptop but she also uses it to watch films and listen to music . [10] ............the wall , she hangs a clook , a picture and a shelf .