1 . The old man has trouble. He can’t walk without help.
The old man has ________ ________ ________.

2 . ________ (walk) a dog is a good way to exercise.

3 . Diana used to ________ (drive) to work, but now she is used to ________ (walk) because the road is crowded and she wants to keep fit.

4 . 鲍勃没听见我说话，继续向学校走去。

Bob didn’t hear me and ________________ to school.

6 . ________ outside can offer more chances to enjoy the sunshine and make a difference to our health. (walk)

7 . walking, the, are, farm, they, on
__________________________________________________________________.

8 . cost, walking, anything, doesn’t
______________________________________________________.

9 . Now more and more people prefer ________ (walk) to driving in order to reduce the air pollution.

10 . —What does the girl on the right look like?
—She is slim and she likes________ very much.

A．dancing

B．reading

C．swimming

D．walking