A:_____ are these envelopes B:They are mine.（填疑问词）

These books are _____. Are these your _____(letter) Whoes _____(book) are these These are our _____ (watch) These pictures are very good.----_____ _____. What are these?_____ _____ photos. Are these his pens?Yes,____ _____.A these are B they are 选哪个啊,知道的快说啊 _____(that) are apples. These are oranges. These are my shoes.Those are _____ socks.A.Toms B.tom is c.tom A:_____ are these envelopes B:They are mine.（填疑问词） these _____ (potato) are very big These exercises are very _____(easy/easily) What _____ these keys?Are these yours?用介词填空 Are these your _____ ? A.bread,B,milk.C.meat,D.fish. These clothes are different _____ colours A. to B. from C. on D. in These toys are all made _____ hand.A.in B.by C.with D.of These books are _____.A.him B.her C.himself D.his these flower are for _____ A.you and her B.you and he