____paragraph is a group of sentences about some related subject. Readers must know what the main idea of ___paragaph is in order to understand ___information they are reading.
Your house is always so neat --- how do you ______ it with three children?
The living room is clean and tidy, with a dining table already ______ for a meal to be cooked.
Sam ______ some knowledge of the computer just by watching others working on it.
Before the sales start, I make a list of ______ my kids will need for the coming season.
That’s the new machine ______ parts are too small to be seen.