Hand in : give homework,papers....etc to a teacher
Hand out: To distribute or give.
The teacher hands out worksheets to the students.
Hang about :To linger or wait around.
He likes to hang about in the park after school.
Hang around: To spend time in a place without any specific purpose.
We used to hang around the mall when we were teenagers.
Hold on : To wait or remain on the line.
Please hold on while I transfer your call.
Hang on : To keep something
When everyone else was getting fired, Paul managed to hang on to his job.
Hang out : To spend time with someone, casually
My friends and I used to hang out in the park after school.
Hang up : To end a phone call, especially if before the other person is ready
I was in the middle of a sentence, and he hung up on me! How rude.
Hold on (a) : To hold something tightly
You’d better hold on to your hat; it’s windy out there!
(b) — To ask someone to wait for a moment
Hold on, I’ll be right back.
Hold back : To stop yourself from doing or saying something
Amy has a great voice, but whenever she’s singing in public, she feels shy and holds back