20. >
1.
1. Fill in the gaps with one of the two verbs given in brackets:
Example: Some of the water
dirty. (is/are)
Some of the water is dirty.
Some of the water
dirty. (is are)
.
2. Some people
travelling. (dislikes/ dislike)
3. All the students
present today. (are/is)
4.
Her uncle and aunt
a car. (has/have)
5. Oil and water
not mix. (do/does)
6. Many workers
been suspended. (has/have)
7. Each child
a glass of milk. (get/gets)
8. Several girls passed this year. (have/has)
9. It not matter much. (do/does)
10. None of the boys ..present. (was/were)
..​

Walking is not the most exciting form of exercise a person can take on for fitness. yet it is low impact and requires no fancy equipment. that makes walking a simple activity for those new to exercise. walking is less likely than other exercises to cause injury to leg tendons and muscles. all it requires is a good pair of sneakers-no cables, stylish outfits, or weights required. of course, a person could increase the benefit of a workout by adding weights or speed walking. identify the main idea of this paragraph. walking is a difficult and safe exercise for beginners. walking is an easy and safe exercise for beginners. walking is a boring and dangerous form of exercise. walking is an exciting and very effective form of exercise.