The box _____. Better call in a mechanic(修理工). A isn’t open B hasn’t been open C isn’t be open D won’t open
Mr. Smith was very disappointed to see the car he had had _____ went wrong again.
Tom rushed out in a hurry, ______ the door ______.
This computer doesn’t work properly, because the operating system has.
—May I book two tickets for the football match on August 8 ? —Sorry, sir. But we have no tickets
The amount of money _____ for the ten provinces in southern China suffering the snowstorm was soon collected.