—May I speak to your manager Mr. Williams at five o’clock tonight? —I’m sorry, Mr. Williams _______ to a conference before then.
Only when ___ possible to settle the problem.
___ different life today is from ___ was 50 years ago!
The Japanese guests suggested ____ their country.
What idea can a man who is blind from birth have ____ color?
The war and the suffering ____ caused affected him very greatly.