5. I recommend this book for an exam ______. (revise)
6. Greg is rather ______ for our team. He knows nothing about sailing. (suit)
7. Solar energy is plentiful and it can be replaced ______ . _______ (easy)
8. There are some ______ who never die in our mind. _____ (music)
1 revision
2 suitable
3 easily
4 musicians