The math problem is so hard. I really don’t know________.
My father has got a brother, my mother hasn’t.A. but B. so C. and
--- are you from?--- I’m from England.A. What B. How C. Where
The man the left is Mary’s uncle.A. on B. in C. at
--- What’s in the cup? --- There some coffee.A. is B. are C. has
This is Mr. Wang’s daughter. is in my class.A. He B. It C. She