He was unhappy when he sold his guitarAfter all, he ______ it for a long time.

John had planned to make a compromise， but he changed his mind at the last minute

Good faith should be everyone’s principle of life. _____ our world will be more beautiful. [ ]

What’s that terrible noise—The neighbors ________ for a party

Johnson, to grasp the chance to become a doctor,decided to take up teaching.[ ]