Are these your teachers' book?No,they're not .____books are
Are these your teachers' book?No,they're not .____books are
Are these your pens?No,they're not.our pens are blue.
( )these( ) ( No,( ) not ( ).( ) ( )are they?They're ( ).括号里
Are these your books?yes,they are.\No,they aren't they're he
Are these books__?No,they are not mine.They blong to_.A your
Are these CDs______? No,they are not mine. They
are these your english books?no,( )aren't .i thank they're(
改正句子:1.These are you pens? No,they are not. 2.Is this your f
Are these bags heavy?No,they ' re _____.
are these pants yours?no,they're theirs.
Are these your pen----- No,they are my brothers.
Are these your skates No.They are _______.