tolong bantu jawab... dari no 3-10

klo gak salah jawabannya kayak gini :
3.yes,we do.we has one chair.
4.no,they don't.they do not need two desks.
5.yes,he does.he need one eraser.
6.yes,he does.he want a pen.
7.yes i do.i need a pencil.
8.no she doesn't. she does not want three rubbers.
9.no she doesn't.she does not want five rulers.
10.yes,we do.we want two tables.
maaf ya klo salah