VOCABULARY Type in the correct word to complete each sentence. Click Submit to check your answers. tiny generate mood function speed complex connection controls signal structure 1. The heart has a very important It moves blood through the body 2. The new art museum is an interesting It's made of glass and shaped like a pyramid. 3. Airplanes move at a very high Most planes fly at about 500 miles (BOS Kilometers) per hour. 4. It's amazing that water, wind, and our brains can all electricity! 5. Brain cells are very You can't see them without a microscope. 6. When you are driving and you see a red traffic light, it's a to stop 7. Allen seems like he's in a bad today. I think it's because his team lost last night 8. Our landlord the heat in our apartment. We can't change it ourselves. 9. My wireless Isn't working right now, so I can't get online 10. Russian is a very language. It has a different alphabet, and the grammar and pronunciation are difficult for English speakers