These animals are all used to their environment,______, they have learned how to live successfully in their habitat.
Little _____ about her own safety, though she was in great danger herself.
—The old store enjoys a good reputation in this area.—Can’t agree more. There are very few. _____, complains about their service.
The flu is believed ______ by viruses that like to reproduce in the cells inside the human nose and throat.
Whether you believe it or not, it is ______that causes your illness.
If only he _____ quietly as the doctor instructed, he would not suffer so much now.