.Cathy always gets up early, she is never late for work.
--- Could you tell us _______? ---- About five minutes.
The computer needs_________. I think I need ________ to ask Mr. Zhang for help.
---- What else do you think we should pay attention _________ our environment? ---- Sorry, I’ve no idea.
It seems that the students devote much time and energy _____ a high score in the exam.
Sandy feels sure about her own ability. She is a (n) _______ person.