Can you pls help me to make the correct sentense

Hi Friends,

Can you pls help me to make the correct sentenses

1: The joint research (aim,aims) to explore mathematical modelling (technique/techniques) and social networks to enable organizations to improve the (ways/way) people work.

2: If you dont go, I wont go (either/too)

3: You must (do exactly/exactly do) what I say

4: He has many friends but (few/a few) are good

5: I do not know how to access ______ the database

6: On (the/a) other hand, this will probably be true for many years. So for those who need or want (a/the) computer now, its a great time to buy one.

7: I like to listen (to/the) music

8: In the past 6 months, IBM, APPLE & others have brought out new computers and (the/a) fierce competition has for forced prices down. Also the time is on your side. Next year at (this/the) time you will have even more choice and more computing power and fixtures for (the/a) same price.

Thanks for your help in Advance.