Write "c" or "s" to complete the words in the sentences: 1. It takes a lot of practi...e to play the piano well. 2. The team is prac ti...ing for the match on Saturday. 3. Practi...e makes perfect. 4. I find it difficult to speak English because I've been out of practi...e for three years. 5. You'll never learn to ride a bike if you don't practi...e. 6. Our school orchestra is practi...ing in the hall now.