How was your journey last week?—Very interesting. The people there still keep the custom _____ the Ming Dynasty, which is different from other areas.

We missed a chance to win a goal.—_________!

_______ is known to everybody, the moon travels around the earth once a month. .

Hey, boy. You can’t cross the street now. You have to wait _______ the traffic lights turn green.— Oh, sorry and thank you.

19．_____ your advice, I’m sure to consider it and give you reply in time