I would say the 1st one is the only one correct. The 2nd one should be who, the 3rd one should more and likely be whom, and the last one should probably be who. I don't know if I'm 100% though. I hope I helped.
he does not always comes up with a complaint
To explain the colonists’ reasons for breaking ties with Great Britain
Answer:
Disadvantages of taking cycling as hobby is that a person is not perfect in cycling from the beginning.They have to practice hard and patience is essential. It teaches the person to be patience but it also leads to fustration too.
Explanation:
The three Unforgivable Curses are the Cruciatus Curse, which causes unbearable pain; the Imperius Curse, which allows the user to control the actions of the victim; and the Killing Curse, which causes instant death.