How ____ the music sounds and how _____ her voice is!

 —Did you find out the time of the train to Miami? —Yes, the early train is _______ to leave at 5:30 a.m.

The study surveyed 500 families and found the main   problem people suffered was tiredness, followed by loneliness and anxiety.

This kind of paper was as soft and light as silk but ______ expensive.

The flowers in the garden smell ____.