2 Complete the sentences.
1 Has the postman been? Yes, (see, come).
2 Have the children gone to school? Yes, (see, leave)
3 Has dad cleaned the car? Yes, (watch, do)
4 Has the telephone engineer repaired the line yet? Yes, (watch, do)
5 Is it 10 o'clock yet? Yes, (hear, clock strike ten)
6 Is Tom still here? No, (see, go)
7 Has Tom done his homework? Yes, (watch, do)