Question

CHALLENGE
B. Change the tense of the verb in each of these sentences according to
instructions in the brackets. Make necessary changes.
1.
We tied his hands and feet and held him fast. (present
continuous)
2.
The police guarded the roads. (future continuous)
3.
He ran so fast that he became breathless. (past continuous)
4. They pushed and jostled in the crowd. (present continuous)
5.
I had not received any letter from him. (future continuous)
6.
I read an article in the newspaper about what the governmer
plans to achieve in five years. (present continuous)
7. My father sold the old car and bought a new one. (future
continuous)
8. The dog happily chases its own tail for hours. (present
continuous)
9. He left for Mumbai. He took a new job. (future continuous)
10. He came to my house to tell me what has happened. (presen
continuous)​

Answer 1

Explanation:

Mercury thermometers give accurate readings.Quick reaction to changes of temperatures because metal is a good heat conductor.Mercury has a very low saturation vapor pressure.Possible to measure higher temperatures as in cooking.Same expansion coefficient at all temperatures