1 what are you doing here ? I am waiting for a friend.
2 Does he speak English? Yes, he speaks English very well?
3 Listen : Someone is knocking at the door.
4 Don't go into the classroom! The students are writing a test.
5 She writes to her mother every week .
6 Let's go for a walk. It isn't raining.
7 Do you hear anything? I don't hear anything.