Verb + Preposition

Complete each sentence with a preposition where necessary. If no preposition is necessary,

Leave the space empty.

She works quite hard. You can't accuse her ______ being lazy.

Who's going to look ......... your children while you're at work?

The problem is becoming serious. We have to discuss _______ it.

The problem is becoming serious. We have to do something _______ it.

I prefer this chair........... the other one. It's more comfortable.

I need to phone............. the office to tell them I won't be at work today.

The river divides the city_________ two parts.

'What do you think _________ your new boss?' ‘She's all right, I suppose.

Can somebody please explain ________me what I have to do?

I said hello to her, but she didn't answer ............ me.