It was for the first time that the two countries ______ an agreement.
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.
___is well known is that Africa had contacts with India and the Red Sea civilizations from the earliest times.
The truly homeless are the rich who ___ their home into a hotel hall.