Everyone will go through life's stages of ups and downs, ________ selfrespect plays a key role in the maturity(成熟) of a person.
.--The thread of my kite broke and it flew away. --I told you it would easily break ____ it was the weakest.
.Eating too much fat can ____heart disease and cause high blood pressure .
.John said he’d been working in the office for an hour, _____was true.
.He moved away from his parents, and missed them _____to enjoy the exciting life in New York.
.We were just about ready to leave _____ it started to rain.