--Your sister isn't so__as usual.You'd better take her to see a doctor.A.well B.better C.good D.worse

isn't she your sister?回答 Who isn't your sister and isn't your brother,but is still a child of your mother and father? Who isn't your sister and isn't your brother is still a child of your mothei and father? lf your uncie's sister isn't your aunt,what relation is she to you? Is this your sister?可以这么回答吗?No,she isn't.但是课本上说的是：Is this your sister?No,it isn't. Is she your sister?（做否定回答）是：No,she isn't.还是：NO,it isn't. Who isn't your sister and isn't your brother,but is still a child of your mother and father?gfgnfn 猜谜:Who isn t your sister and isn t your brother,but is still a child of your mother and father? 猜谜:Who isn t your sister and isn t your brother,but is still a child of your mother and father? Is mary your sister?No,he isn’t.有2个错,是哪2个 —Is Mary your sister?—No,it isn't 哪里错了 Who isn't your sister and isn't your brother,but is still a children of your parentsWho isn't your sister and isn't your brother,but is still a children of your parentsA Your twin B Your son C Your baby D Yoursef Gina isn' t my sister. She's My sister isn`t good at maths Is this your sister?英语语法Is this your sister?No,it isn't.Is that your brother?Yes,it is.为什么这里的“your sister”、“your brother”在回答时要用“it”代替?可以用“she”或“he”代替吗? Is she your sister?Yes,she isn't.And is heyourbrother?No,he is.He's my friend. —Your sister isn't a nurse,is she?—_A____.She teaches English in a middle school .A No,she isn't B Yes,she is C Yes,she isn't D No,she is -Is this your sister?-_______________.A.No,it isn't B.No,she isn't C.No,this isn't D.No,she is not最好把每个选项都说一下。