当向你的同学介绍你的朋友时,你应说:_______A. He is my friend, Li Lei.B. This is my friend , Li Lei.C. My friend is Li Lei.
________ mother is a doctor. A.She B.He C.Her
My uncle is a teacher.He ________ me Chinese. A.teaches B.teach C.teaching
She is ________. A.a engineerB.engineer C.an engineer
She sells things.She is a ________. A.teacher B.salesperson C.doctor
She is an actress ________ TV. A.inB.onC.for