Must we leave the classroom now?—No, you _____. You _____ leave after the bell rings.

If you smoke a cigarette every day, you will _____ become addicted to smoking

Now many young people in China celebrate Christmas Day ______ December 25th.

He will never give up the chance to go abroad for further education _____ the situation is

Not until all the fish died in the riverhow specious the pollution was