—Tom, how forgetful you are! I found you left your key in the keyhole this morning. —Oh, dear! _______.
Mass media questioned the ____ of the information in the report.
One in five humans ___access to safe drinking water by 2080.
It is hard to imagine what I ___today if I hadn’t been admitted to Nankai Middle School 15 years ago.
Not until they left school ___how much their teachers loved them and helped them.
___three times in a row, the boxer decided to make a fourth attempt, though.