1. DIGRI. Rigid. 2. DOVIA. Avoid. 3. GTREER. Regret. 4. TACELT. Cattle. Using the letters-IGIAIVERTT-fill in the blanks to answer the following riddle. The answer has four words. The first word has 4 letters, the second word has 2 letters, the third word has 1 letter and the fourth word has 3 letters and is in quotations. After he trained by running, cycling and swimming, the athlete decided to ______ ___ __ "____". Give it a "tri"