Read. Complete the sentences with words from the box. There is one word you will not use. sky ocean underground rain river ground cloud 1. Be careful where you walk! The .............. is very icy. 2. Hungry bears can find fish in a ............... . 3. Sharks, whales and dolphins live in the ................... . 4. Take your umbrella. There will be some ....................... . 5. The sun is high in the................... in the afternoon. 6. It's a beautiful day. There isn't a ................... in the sky!