Every man has his faults. We should, therefore, learn to be ______ of others.
Chemical pollution will bring about a threat to agriculture and food chain, and ________ to human health.
—Jenny, I hate to say it, but you really must go! —________.
Mr. Smith doesn’t like all that empty talk between Susan and Joan, which he thinks will definitely get them ________.
In spite of the fact that soccer is the most popular international sport, it isn’t what most girls ________.
Researchers have found clear and convincing evidence ________ happiness isthe key to better health and longer lives.