SWEETS ARE HARMFUL BECAUSE THEY MAKE OUR TEETH ...…………A. CRACKED...

5. Sweets are harmful because they make our teeth ...…………A. cracked B. ache C. black D. bad II. Choose the most suitable word to complete the passage.Today, more and more people are learning about the importance of having a clean ____ _ (1 )and teeth. When we eat, our teeth can collect food. If we _____ (2) clean our teeth, the foodcollects between them. This food can start to rot, or go bad. Soon the food starts to createbacteria. Bacteria can destroy our teeth and our gums, the skin surrounding our teeth. This cancause a lot of _____ (3). Bacteria may change the colour of teeth. Some people’s teeth can _____(4) yellow or black. Other people can even start to lose _____ (5)! And gums can become painfuland bleed. Having bad teeth can reduce quality of life.