Insert the correct prepositions. of, on, by, with, over 1. what is required -of--me? 2. they refused to supply us -with-- food and water. 3. she insisted—on -helping her mother. 4. she has an advantage --over- him. 5. are you going to cheque?

1. What is required of me?
2. They refused to supply us with food and water.
3. She insisted on helping her mother.
4. She has an advantage over him.
5. Are you going to pay by cheque?