Fll in the blanks with the right forms of the given words. 用所给的适当形式填空。 1. What can you see in the different ( season) ? 2. Trees have green ( leaf) . 3. I (listen) to the radio tomorrow. 4. Danny runs ( fast) than the police officer. 5. Jenny ( swim) in the lake last summer. 6. Danny (take) off his sandals. 7. I like (watch) the birds fly in the sky. 8. The ocean is (salt). 9. There (be) many white clouds in the sky. 10. Look at (that) beautiful flowers.