_______ we _______ the new policy for economy, we would never have bought the house.
Only in this way _________ make progress in our English study.
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.