TOEFL / Reading practice / Section 49LQ
Complete the Words

Fill in the missing letters in the paragraph.

The northern lights are bands of colored light that sometimes appear in the night sky near the North Pole. They a caused b tiny part that tra from t sun t the Ea. When th particles re our atmos, they hit gases such as oxygen and nitrogen, and the gases give off light. The color of the light depends on which gas is hit and how high in the sky this happens. Similar lights near the South Pole are called the southern lights.

Type only the missing letters. Each box is one letter, and the number of boxes matches the letters that are missing.