Complete the following sentences using the necessary

prepositions.

1. They want me to cut ... my article. 2. Some people try to win ...

the other’s expense. 3. Their order was cancelled ... response ... the

letter. 4. Who did he put the blame ... ? 5. She was upset ... her son’s

behaviour. 6. Nobody knew the cause ... their quarrel. 7. One can’t

blame him ... refusing. 8. She denied ... being there.