I think people would be able to complete all things, which were planned, achieve many goals and see many interesting researches., if scientists invented such drugs.
Perhaps many of us would see the moment when we would have settled down on unknown planets.
Every coin has two sides:If people didn't get old,
it would be fascinating and frightening. This is why life is valuable, because it is not eternal.
A human would soon get tired of living so long. And if a person lived for a long time, he would be able to live to see any wars that will be in the future, would visit other planets, would see how people will be look like in the future.
4. 16. Dictionaries are over there.
17. There are sheeps in the field.
18. They are child.
19. Men (тут нету отпечатки, просто нельзя писать mans) are from America.
20. They are talented teachers.
5. 21. I dislike reading much.
22. He likes taking pictures of his family.
23. I like playing football.
24. We enjoy swimming in summer.
25. They hate walking in winter.
В 5 задании везде (вроде как) Present Continuous, потому что говорится про предпочтения. Когда говорим про предпочтения (like, hate, dislike etc.), мы всегда используем Present Continuous