— David, keep ______ in mind that you have to be home by 10 o'clock. — OK, Mom, I will.
When ______ help, one often says “Thank you.” or “It’s kind of you.”
Lin Dan won the first prize in the Beijing Olympics, which helped him gain the ____ of the world.
This toy is meant _______ Tom as his birthday present.
Great changes _______ in our hometown since 1980
_______ of fire, ring the alarm bell.