Change into passive voice: They have completed the project.
AThe project was completed by them.
BThe project is completed by them.
CThe project have completed by them.
DThe project has been completed by them.
Explanation
– Present perfect tense uses ‘has/have been + past participle’ in the passive.
– The object ‘the project’ becomes the subject of the sentence.
– Correct: The project has been completed by them.
Exam Relevance
- Topic: Voice
- Subtopic: Active and Passive Voice
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