Переделать в косвенную речь!
1- the Internet is wonderful if you search for information
2- it is useful for homework and revision as well
3-I think the Internet is great for a research
4-also, if I stare at the computer screen for too long, it hurts my eyes

1) He/she said (that) the internet was wonderful if you searched for information.
2) He/she said (that) it was useful for homework and revision as well.
3) He/she said (that) he thought (that) the internet was great for research.
4) He/she said (that) when He/she stared  at the computer screen for too long, in hurt his/her eyes.

Надеюсь, я правильно поняла, что требовалось)