.In the dark street, there wasn’t a single person, _______ she could turn for help.
We ______ John’s name on the race list yesterday but for his injury.
Some insects ______ the color of their surroundings to protect themselves.
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.
That’s the new machine ______ parts are too small to be seen.