Rose was born in Hong Kong but___in the USA,because her parents went there to work for some reason
—What does PM 2.5 mean?—It's a professional ________ indicating the condition of air pollution.
It is no ________ pretending you did not know because everyone saw the whole accident.
—He has a lot of friends who have a lot in ________ common with himself.—Indeed.Birds of ________ feather flock together.
Finding information in today's world is easy.The ________ is how you can tell if the information you get is useful or not.
Friendship is both ________ source of pleasure and ________ component of good health.