31. George ___ the good chance to present his proposal to the director, and at last, it was adopted.
Because so many visitors are visiting our school today, some teachers have to _______ guides.
She thinks only of herself; she doesn’t _____ other people.
—Peter didn’t come to the meeting this morning. — I _______ him yesterday, but I was too busy and forgot it.
I ________ it myself ________ your homework.
____ he has made a decision, it is not easy for you to make him change his mind.