It was foolish of him to ____his notes during such an important test, and as a result, he got punished. 

We have got accustomed__________ in an air—conditioned room, so we can’t stand the terrible heat outside.

 Because of the hard work of the farmers, the desert finally ______ rich farmland.

This problem may lead to more serious ones if _______ unsolved.

Near the table ________ a poor dog, who desired to satisfy his hunger with ________ fell down the table.