The heart is believed to _____blood into veins(血管) which are netted all over the body, thus keeping a person alive.
_______ the project, the young man has little time for entertainment.
What _______ bad memory I have! You see, I forgot to take _______ key.
It’s generally considered unwise to give a childhe or she wants.
–I drove to Zhuhai for the air show last week. -Is that you had a few days off?
—Thank you for your wonderful meal. —______.