All his attention () on the computer game, so he even didn't notice his mother enter the room.

单项选择题The firm invested approximately 60 million dollars in ()it says is the world's largest bot tle recycling plant.

A. that
B. where
C. what
D. how

单项选择题--Tom, it is your turn to give us an English lecture. --I told one yesterday.()

A. Are you kidding
B. Pardon
C. I can't agree more.
D. Why not