Chuyển các câu sau thành bị động: The bank manager kept me waiting for half an hour. Has be spelt this word wrongly? All his friends will see him off at the airport

1. The bank manager kept me waiting for half an hour
2. Has be spelt this word wrongly?
3. All his friends will see him off at the airport
4. Someone might have sent the letter to the wrong address
5. They were cleaning he floor when I arried
6. They are dgging the hole on the wrong side of the road
7. They are going to steal your money if you’re not careful