is this your bicycle,david?no,it's not _____.it's helen's.

is this your bicycle,david?no,it's not _____.it's helen's. IS this your cup?NO,it's not m —Is this your book?-no,it 's not my _____ is this ( ) watch no,it's not ( ) whose pen is this?is it yours?no it's not mine.maybe it's() Is this your sweater,Joy?No,it's not ___ sweater.___ is yell Is it( )eraser?No,it's not( ). ---Is your stomach ache getting _____?-----No,it's worse. 英语翻译is this your sweater ,joy?no’ it‘s not my sweater.mine i Is this ()bag?No,it's not.A.hers B.you C.your Excuse me.Is this your dictionary?No,it's not（）（ Is this your bike No ,it's ________(Li Lei )