Only then did I realize that it was foolish to ___ my friends and never contact them.
It is believed that if an event is _______, it will surely ______ the readers of the paper.
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.