—Thank you very much for your wonderful lecture, Mr Bruce! —________.
The young tribal man helped Mrs. Davidson find her way back, in return for________medical equipment was offered to him by the latter.
The difficulty solving such a problem ten years ago was twice greater than________is today.
--- Damn! I________more to avoid that ! --- Don’t cry over spilt milk. Besides, it wasn’t your fault.
These monkeys are such quick thieves that they________your bananas when you realize what has happened.
As the________of Thomas Edison shows, a child who typically questions the most common facts may turn out a genius as a grown – up.