1.1. (not worked) today.

2. We (have bought) a new lamp.

3. We (have not planned) our holiday yet.

4. Where (have you been)?

5. He (has not seen) him for a long time.

6. She (has been) at school?

7. (not started) yet.

8. School (has not started) yet.

9. (Has he spoken) to his boss?

10. No, he (has not had) the time yet.