When something is on fire, people throw sand on it to put out the fire. The main use of the sand is to _________.

“All____present and all ____ going on well.”our monitor said.

Sarah pretended to be cheerful, _____ nothing about the argument.

It is a rule in his family that ______ comes home earlier should cook the dinner for the family

Tom feared to go home after his failure in the exam because the ____ stream of discontent from his parents would drive him crazy. [ ]