--Do you know when the Chinese custom_________ from? --It's hard to say. But its characteristics__________ the Tang Period.
A cook will be immediately fired if he is found _________ in the kitchen.
____by one of his fellow soldiers,the wounded man walked slowly across the field.
Jenny worked hard before the final examination,and it_______.She got an A. A.showed off B.paid off C.put off D.took off
All the things __________ must be done well.
Follow your doctor’s advice,_____ your cough will get worse.