Fill each gap in the following sentences with a suitable preposition or adverb particle

Ex3. Fill each gap in the following sentences with a suitable preposition or adverb
particle.
1. I talked..........her............the phone yesterday.
2. It’s very kind.............you to help me..............my homework.
3. Shall we stop.............the book store..............the way home?
4. He has been absent.............class because..............his illness.
5. We complained.............the boss..............the bad working conditions.