25 баллов. Fill in the gap (заполнить пробел "_")
Postive thinking day is celebrated on the 13th of september. this day is a time set aside each year to concentrate on all things positive . The power of positive thinking is absolutely fantastic. Medical research confirms that a positive attitude works wonders at fighting disease and ailments, from the common ____ to cancer. Start the day positively by saying "Today is going to be a good day!"