—Why didn’t you buy the gold ring? —I ______, but I didn’t have the money.
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.