下列单复数对应不正确的一组是_______
A.sheep—sheep B.leaf—leafs C.photo—photos
—_______ father went to the teacher’s office? —Jack’s.
A.Whose B.Who C.Where
—_______
—It’s orange.
A.What’s that? B.What fruit do you like? C.What color is your car?
_______is my mother. _______ name is Jane.
A.She; She’s B.She; Its C.This; Her
Our foreign teacher（外教）can sing _______ Chinese very well.
A.in B.on C.with
—Is that _______ UFO in the sky.
—No. It’s just a plane.
A.a B.an C.the
