Ladies and gentlemen，please fasten your seat belts．The plane       ．

I don’t know if it _____. You’ll get wet if it ____. You’d better take an umbrella.

 ——I ran into the back of a truck yesterday and damaged my car badly.——I suppose you_______too fast.

—Don't always turn to particular patterns time after time in our life.—I agree. We would otherwise________our thinking by rules or common attitude.

It is bad manners to ________an invitation without a reason.