1.Because of the bad weather, the plane couldn't touch down. (IMPOSSIPLE)

->It's impossible for the plane to touch now in the bad weather.

2. My brother likes science fiction books very much. (FOND)

->My brother is fond of science fiction books very much

3. "I've already see the New Tech Exhibition" .(SAID)

->Peter said that he had already to see the New Tech Exhibition

4. "The plane will be leaving in thirty five minutes". (ANNOUCED)

->They annouced the plane would be leaving in thirty five minutes.

5. A robot will easily handled all household chorez in the near future. (BE)

->All household chores will easily be handled by a robot in the near future.

6. Thomas Edison established his first laboratory facility in 1876. (UP)

->Thomas Edison made up his first experimental facility in 1876.

7. "What about going to the Science and Technology Fair ?" Mark said to me. (SHOULD)

->Mark suggested me that I should go to the Science and Technology Fair.

8. Don't waste time persuading him to go with us. (WORTH)

->It's worth to waste time persuading him to go with us.

9. Why has no one thought of a way to make aircraft quieter? (COME)

->Why has no one come up with the idea of making aircraft quieter?

10. We arrived at the cinema, but the film had finished. (TIME)

->By the time we arrived , the film had finished.

=>
1. Bad weather made it impossible for the plane touch down.
2. My brother is fond of science fiction books.
3. Peter said that he had already seen the New-Tech Exhibition.
4. They announced that the plane would be leaving in thirty-five minutes.
5. All household chores will be easily handled by a robot in the near future.
6. Thomas Edison set up his first laboratory facility in 1876.
7. Mark suggested that I should go to the Science and Technology Fair.

8. It's not worth persuading him to go with us.
9. Why has no one come up with a way to make aircraft quieter?
10. By the time we arrived at the cinema, the film had finished.