Rewrite the following sentences without changing meaning

Part 6: Rewrite the following sentences without changing meaning.
1. My father started repairing his bicycle 2 hours ago and now he's repairing. (present perfect continuous)
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2. They started painting this wall this morning and they are painting it now. (present perfect continuous)
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3. My boss started writing this email an hour ago and it's still not right. (present perfect continuous)
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4. He started working as an ambassador in 2015, and now he’s working there. (present perfect continuous)
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5. I have never visited Ha Long Bay before. (present perfect)
 It’s ……………………………………………………………………………….……………………

6. It’s four months since she last came home. (present perfect)
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7. It’s a long time since John last participated in English speaking club. (present perfect)
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8. Their relatives haven’t had a chance to go to a big city before. (present perfect)
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9. Jenny was the first candidate who came in the room. (participles and to infinitives)
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10. The last student that was interviewed was Mary. (participles and to infinitives)
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11. A person who serves in a shop is called a shop assistant. (participles or to infinitives)
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12. She is the youngest woman who was appointed to the board. (participles or to infinitives)
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13. The building which was built near the bank had special architecture. (participles or to infinitives)
…………………………………………………………………………………….……………………
14. The students have many assignments that they have to hand in by Friday. (Participles or to infinitives)
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