He borrowed $100 from his boss and was given ten months to ______ the debt.
We all know that, __________, the situation will get worse.
—Can I join the club, Dad? —You can when you _____ a bit older.
If you are in any doubt as to _____ you should be doing these exercises, consult your doctor.
—When can I come for the photos? I need them tomorrow afternoon. —They_______ be ready by 12:00.
Was it _____ she heard with her ears ____ really made her frightened?