The is a ..........of books on the shelf.(collect)

1.The is a ..........of books on the shelf.(collect)
2.It is very............for people in remote areas to get to hospitals.(convenience)
3.He is very............with his hands.(skill)
4.It is said that water collected from the local streams is ...............to drink.(safe)
5.We want ................relations with all countries.(friend)
6.I like to eat .............,so I eat a lot of fruits and vegetables every day.(health)