网址：http://m.1010jiajiao.com/timu3_id_2683301[举报]
－Are those your brothers?
－Yes,________．
A．
those aren't
B．
they are
C．
those are
D．
they're
Are those your pen friends? Yes, .
—Are those your tapes?
— .
A、Yes, those are
B、No, it isn’t
C、No, they aren’t
those your quilts?
A、Is B、Are C、Do
－Are those your books?
－________．
Yes,they are
Yes,they aren't
No,they are