If it ________ for the heavy rain then, we would have arrived here ahead of time.
_____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.
I spent five hours_____________ the book__________ I paid 10 dollars.