Complete the sentences with a suitable preposition.


The boss called me _____ to his office this morning for a talk.

The light went off again, so we had to call _____ an electrician.

We always call _____ our sick classmates to see if they're okay.

After the big fight she called _____ the engagement.

All the citizens called _____ the mayor’s resignation.

He was called _____ early in the morning because of some emergency.