—Will you go to Mary’s birthday party?—No, ____ invited, I can’t go to it. I’ll be too busy then.
Stressful environments lead to unhealthy behaviors such as poor eating habits, which _____ increase the risk of heart disease.
Circus tigers, although they have been tamed, can _____ attack their trainer.
The _____ of his clothes indicated too clearly that he had been playing football.
. When the entire class worked together they finished the project _____.
Paper making began in China and from there it _____ to North Africa and Europe.