In order to live with happiness, we must learn to _____work with pleasure since as much as one of three life span or so will be spent on it.
A completely new situation is likely to _____ when the school leaving age is raised to 16.
I must go now. _____, if you want that book I'll bring it next time.
Achieving a high degree of proficiency in English as a foreign language is not a mysterious _____ without scientific basis.
We had a marvelous holiday: only the last two days were slightly _____ by the weather.
They were so far away that I couldn't _____ their faces clearly.