Compléter avec am/is/are ou do/don't/does/doesn't: 1. What's funny ? Why ....... you laughing ? 2. What..... your sister do ? 3. It....... raining. I....... want to go out in the rain. 4.Where..................you come from ? 5. How much.........it cost to send a letter to Canada? 6.Steve is a good tennis player , but he.........play very often