On the annual International Volunteers Day, the world _____ the work of millions of people who give their time to help others.
If we are not _______ the progress we have made, we will have greater success.
_______ the class teacher’s repeated warnings, the boy was late for school again.
He_______ himself as a police officer.
Having compared with the other design, I found this one was _______ that one.
You are likely to be _______Peter. Why not make an apology to him?