Bob is good ________ music.He can be good ________ children in the music club.
The train is running _____the speed of 200 kilometers per hour.
I think you should spend as much time as you can_____ Maths and English.
—When will Chinese Running Man begin ? —It _______ for ten minutes.
____________we had at Disneyland!
—When will you hand in your homework? —Sorry, I’m not sure. I _______writing it yet.