–Do you think travelling is good ____us?--Yes, I think so. It’s good to relax ______visiting interesting places.
The couple ______at this time yesterday. Nobody knew when they stopped.
Millie is______ clever a girl that she has worked out _______difficult math problems.
Did your father tell you ______?
—I’m afraid that I can’t do it.—Oh, you should believe in yourself. You won’t know what you can do______ you try it.
Before I talked with ______ scientist, I had never met______ clever person like him.