Task 5. Put the verbs into the correct form (present perfect simple). For example:
School (not / start) has not started yet.
We ( plan) have planned our holiday.
Where (you/be ) have you been?
1.I (not / work) worked today.
2.We (buy) a new lamp.
3.What (he/do)?
School hasn't started. yet.
We have planned out holiday.
Where have you been?
1. I haven't worked today.
2. We haven't bought a new lamp.
3. What has he done?