change these sentenses into plural sentences :
1 . what is this ? it's a stereo.............................
what are these ?
=> They are stereos.
2 what is that ? it's a bookshelf
what are those ?
=> they are books.
1 . what is this ? it's a stereo=> What are these ? These are stereo
2 what is that ? it's a bookshelf => What are those ? Those are bookshelfs
Chúc bạn học tốt
1.What are these?-these are stereos.
2.What are those?-those are bookshelves.