______it is to take a rest after a long run!
She showed the visitors around the museum, the construction________had taken more than three years.
—I've just been to my first language class. —Oh,really?________.Which language are you studying?
—Will $500________? —I'm afraid not.We need at least 300 dollars.
She won't go unless________.
He felt rather________that she should drive the car at such a________speed.