I like math _______it’s difficult for me.A. but B. and C. or
There are floors in the building and Mr. Wang lives on the floor.
I’m sorry for being late.I wanted to be here earlier, but the traffic was too heavy.---__________.Please take your seat.
—The light in his room is still on.Do you know________?—In order to prepare for the coming exam.
He has few friends,________?________.So he feels lonely from time to time.
The mixture didn’t mix__________and tasted_________.