V. Fill in each blank with a suitable preposition.
1. I asked him to put ________ the lights if he was the last to leave the room.
2. The village has changed a lot thanks ________ the knowledge the children brought home.
3. The boys got ________ the garden by climbing ________ the fence.
4. I turned ________ the job because it was badly paid.
5. My grandparents live ________ 34 Hai Ba Trung Road, in a flat ________ the top floor.
6. What do you buy these eggs ________?
7. Look after the baby while I am ________.
8. She wanted to know what aspect ________ learning English I found most difficult.