John is ________ honest boy. He has ________ useful book.

______ really makes “Gangnam Style” popular is not the lyrics, but the part of “Horse Riding Dance”.

It’s an important decision for you, so______ your time and think it over.

You promised to________the goods to our place immediately, but we haven’t seen any of them yet.[ ]

Linda should join a sports club.—________.It’s good for her to take more exercise.