to o - to p
- to obey a rule
- to obey an order
- to obey directions carefully
- to obey one's parents
- to obey smb's instructions
- to obey smb's orders
- to obey the guide
- to obey the law
- to obey to the letter
- to object to doing smth
- to object to smth
- to object to the plan
- to oblige smb with a loan
- to observe a birthday
- to observe a rule
- to observe a solar eclipse
- to observe considerable variation of views on the problem
- to observe public holidays
- to observe silence on the point
- to observe smth
- to observe smth attentively
- to observe smth carefully
- to observe the development of events
- to observe the law
- to observe the practice
- to observe the practice of smth
- to observe the right habits of living
- to observe the sky
- to observe the stars
- to observe traditions
- to obstruct justice
- to obtain a London degree
- to obtain an interview
- to obtain damages for injury
- to obtain given a new lease on a piece of ground for ten years
- to obtain one's pardon
- to obtain practice in nursing the sick
- to obtain smb's opinions
- to occupy a country
- to occupy a house
