They are twins.These are___books

They are twins.These are___books These books are the twins'.They're ours these books are not______(the twins).they are____(alice) They are -------They are twins. They are twins.They _______. Are these ____ the twins'?---Yes,they are.A.key B.box C.keys they are ( ) a.the twins b.twins They are twins.对twins提问 They are twins,so they are（ They are the______(twins) books. They are twins.（翻译） These shose are the twins'.对the twins'提问