useful
- Don’t you think this is useful advice?
- I think this is ___ useful book, so I will keep it for ever.
- What_______useful book it is! Yeah,it tells you how to play ______violin.
- The computer is ______useful tool in _______world today.
- What _______useful book it is!—Yeah, it tells you how to play _____ guitar.
- This is useful book,book is my brother’s.
- There is ________ useful book on the desk, _________ useful book belongs to my brother.
- It is useful book.—Yes, it tells us how to play football.
- What useful book it is!—Yeah, it tells you how to play guitar.
- I have ________ useful knife and my sister has _______ eraser.