Such is human nature that many people don’t value things they possess until they’re lost them.
It is always difficult being in a foreign country, __________if you don’t speak the language.
It is generally believed that teaching is ___________it is a science.
Several weeks had gone by____________I realized the painting was missing.
_______________you call me to say you’re not coming, I’ll see you at the theatre.
After she considered the problem, she got a tall box to stand ________.