Although many people view conflict as bad, conflict is sometimes useful _______ it forces people to test the relative merits of their attitudes and behaviors.
There are a great number of words in the English language ______________ on colors.A. based B. base C basing D. is based
--- Daddy, I don’t want to go to Jimmy’s birthday. --- You had better go. ____ you make a promise, you have to keep it.
Mary said they _____________________with each other for six years before they got married.
--- My sister is very upset today. --- It is your fault. You ________________ the bad news to her yesterday.
Mother asked the youngest kid _____________ with his toy car.