Are these his pencil cases?改为单数形式 （ ）（ ） his pencil case?

Are these his pencil cases?改为单数形式 （ ）（ ） his pencil case? 1.Are these the twins pencil-boxes?2.Where is his shose,do you know?句子改错 these are his shoes.( )are these ()? Are these __ (you) pencil yes,they are ____( our ) 英语These are his brothers Are these shoes _______(his) These are his hands and blue his are pants these . These are _____(他们)pencil?的他们用英语怎么说? These pencil are red.（变为一般疑问句） Are these her pencil boxes?(改为同义句) Are_______pencli boxes_________? THese are orange pencil cases (改为单数句） these are orange pencil cases 改为单数句 This is a pencil and a pen还是These are a pencil and a pen 1.are()your() this;pencils that;pencil these;pencils those;pencil 单项选择：1.These my friends .are English A.are,these B.are,they C.is,it D.are,shi2.Where are pencils?Are in your pencil case?A.your,they B.youe,you C.his,it D.your,they're3.Are those erasers?（）,（）aren'tA.No,they B.Yes,these C.No,those D 照例子改变句子:This is my pencil=This pencil is mine.1.That is our school.=2.These are her notebooks.=3.Those are their crayons.=4.Is this your present?=5.Are these his paints?=二.对括号里提问This is (my) new school bag.________This new 3、Are these his cousins?_____.They are his brothers