她正在做什么?如何表达:A.What is he doing ? B.What is she doing?
I am______student.A.the B.a C.an
A:Are you a nurse? B:______ A.Yes,I am. B.Yes,it is. C.No,it is not.
This is my daughter.______is a student. A.He B.Her C.She
What’s the______with you? A.matter B.wrong C.that
Don’t______the window. A.open B.look C.go