She was afraid that unless the train speeded up she would lose her _____ to Scotland.
She to beat the world record but failed at last.
Eating too much fat can ________ health problems,so we must have a balanced diet.
It is in their ability to speak ________ humans ________ from animals.
The engine of the ship was out of order and the bad weather________ the helplessness of the crew at sea.
______________ with the sun, the earth is not big at all.