8.2 Complete the sentences with am/is/are or do/don't/does/doesn't. 1 Excuse me, ___ you speak English? 2 'Where's Kate?' 'I ____ know.' 3 What's funny? Why ___ you laughing? 4 'What ___ your sister do?' 'She's a dentist.' 5 It ___ raining. I ___ want to go out in the rain. 6 'Where ___ you come from?' 'Canada.' 7 How much ___ it cost to send a letter to Canada? 8 Steve is a good tennis player, but he ___ play very often.