【原创】The United States is often referred to as a melting pot because its citizens come from every corner of the world with _____ cultures.
Always read the _____on the bottle carefully and take the right amount of medicine.
—If you like I can do some shopping for you. — That’ s a very kind _______.
School children must be taught how to deal with dangerous ________.
When Jane began to take swimming lessons, her main _____ was the fear of water.
Finding information in today’s world is easy. The ______ is how you can tell if the information you get is useful or not.