I wished to make a round-the-world tour by plane but I hadn't enough money to pay for the ___.
Not until he went abroad for further study ________ how attached he was to his parents.
It was during the Ming Dynasty ________ the Great Wall was repaired and extended to take on the appearance it has today.
—Are you pleased with what he has done? —Not a bit. It couldn't be________.
The murderer, together with his two brothers, ________ sentenced to death just now.
We each ________ strong points, but each of us on the other hand ________ weak points.