________ at a speed over 400 kilometers per hour, the train arrived in Pudong International Airport in ten minutes.
________ is no good ________ over spilt milk.
— ________ do you think it was ________ made Jane so cross? —Being looked down upon in public yesterday.
Many people in the west make ________ a rule to buy Christmas presents for their relatives and friends.
Has ________ been decided when we are to hold the sports meeting?
The doctor kept telling him that he mustn’t smoke, but ________ didn’t help.