--- Did you turn off the lights before you left the computer room? ---- Oh, I forget _______ them off. I’ll go to do it.
I’m calling to enquire about the position_______ in yesterday’s China Daily.
---Can I pass the exam this time,Mr.Li? ---I don’t think you can________ you work hard.
Don’t worry. You can _____he ‘ll turn up on time. He always keeps his promises.
Mary is a ______customer of that shop; That’s why sometimes she is given a small discount(折扣)
_____terrible weather we’ve been having these days!