Составить по предложению со словами: carry on, catch up (with), charge up, cheer up, clear up, come across, come back (from), come on, come out, cross out, cut down (on), cut off

I must carry on my studying in the university.
If i don't catch up my friends, i will late to the school
Charge up the weapon, my warriors!
I cleared up all details of this case.
When i was walking in the park, I came across to the lost my neighbour's dog.
She was offended but she came back because she loves him.
"Come on"!- Said John. "You can do it!"
Lydia come out from the school, all lessons have been finished
She crossed out him from the guest list.
Ghosts cut down the lights in my room. I was scared
That guy looks cute. She cut off and gave me piece of cake.