Who are these?They are a woman and a baby.这句话这样答对不对,还是应该两个a 都不加?

-----____school bags are these?-----They are Tom's and Mary's.A.Whom B.WhoseC.Who ___books are these?They are Mr Green's A.What B.Who's C.Whose who are these boys?they are students____to Class One.A.belong B.belonging who's lunch box are these? They are ours.改错 -----------blouses are these?They'er mine.A.Who's B.How C.Whose D.Where Who are these?They are a woman and a baby.这句话这样答对不对,还是应该两个a 都不加? ( ) - _____ shoes are these?-They're Join's.A.Which B.Whose C.Who's D.Who要愿意 —Who are these girls?—They are _____.—Who are these girls?—They are _____.[ ]A.my friend B.my friends C.her sister D.his brotllers Are these ( ) books?A:they B :them who are these? who are these stars. -What () these?-()peaches A are;it's B are ;they're C are;these are What are these?（）are maps.A.These B.They C.It D.They’re Are ___your parents?-yes,they are.A.these B.thoes A:Are these ( )gloves?B:They are not mine. 什么are these tomatoes?They are 2 yuan a kilo. Who's books are these?they are Tom's这句话错在哪里 -Who are these white birds?-They are Mr Green's.这句话哪里错了