Here are the complete sentences:
1. A rare bird **has been found** in the remote countryside.
2. New Jersey **is going to be hit** by bad weather tomorrow.
3. Experiments **are being carried** out on moon rocks.
4. Queen **was welcomed** to Australia yesterday.
5. Five people **were injured** in car accident.
6. Last night's pop concert **was called off** because of rain.
**Explanation:**
The exercise is about converting newspaper headlines into complete sentences with passive voice. This involves using a form of 'to be' + past participle of the main verb and adding in missing words.
1. Present Perfect Passive: 'has been found'.
2. Future Passive: 'is going to be hit'.
3. Present Continuous Passive: 'are being carried'.
4. Past Simple Passive: 'was welcomed'.
5. Past Simple Passive: 'were injured'.
6. Past Simple Passive: 'was called off'.