13B Safety Tips for Teens Lessons 123-1241. Look at the picture. What dangers can you see? Complete the first conditional sentencesby matching the number with the letters.1. If someone opens the door, 2. If Lily touches the heater, 3. If Ben steps on the boxeson the floor4. If the bookshelf breaks, (D) A. it will burn the desk ) B. she will hurt herself.( ) C. it will start a fire.D. Mary will fall off the chair.( ) E. he will drop the box.( ) F. the hot water will hurt someone.5. If Ben's cigarette dropsinto the box, 6. If the teapot falls from thecupboard7. If Mary falls, 8. If the heater is too hot, ( ) G. she will burn her feet.( ) H. the books will fall and break thecomputer​