Some friends tried to settle the quarrel between Mr. and Mrs. Brown without hurting the feeling of _____ , but failed .
As teenagers of the 21st century, we should be ready to _____ the challenge of society.
Sorry, Sophia, I have got a phone call now and I will come back _____.
When the question was under discussion, Gloria _____ an idea that the prices of cars should be reduced.
Bill ______ a couch potato and now he has a healthy lifestyle.
I’m not sure whether John ______ his parents has arrived.