How does David usually go to work— He ______ drive a car, but now he ______ there to lose weight.

What do youthink of the young lady — She is hard-working. She ________all her effort into her work before she got ill.

use another method to solve thisproblem, you’ll probably ______ it

On the top of the hill_____ the old man once lived.

If he goes on driving like that, sooner or later, he will ____ an accident.