Заполните пропуски грамматически правильным предлогом. 1. He always paid ……. credit card and kept the receipts.
 2. Workers have been out ……. strike since Friday.
 3. We’ve spent a lot of money ……. this house.
 4. The committee is involved ……. a search for solutions to key
 international problems.
 5. Are you angry ……. me?