Now most families have only one child _____ our country’s one-child policy.
--- Excuse me, sir. Would you please the total cost of the trip?--- All right, I will make it at once.
--- How _____ hours do you sleep a day?--- Well, about eight hours. But how _____ sleep do we students really need?
--- Must I do the rest of the work today?--- No. You _________ finish it tomorrow.
--- Do you know Shenzhou X is flying in space?--- exciting news!
--- Which of the following words has the same sound as the “ed” in the word “danced”?--- Let me see. That’s .