_______ that he might lose his job, Peter always works extra hours to please his boss.
—How are things going, Jenny? —They have set out to deal with the present situation ______ they think deserves their immediately attention.
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.