Latest researchers show children _______ with high levels of air pollution during their first year of life run a great risk of developing certain disease[ ]

When ______ about the secret of his success, Steven Spielberg said that he owes much of his success and happiness ________ his wife and children.

With a nod of his head，he ______ me where I should sit

Jane, where is the gym, please—_____

Social __________ are greatly different from country to country. Remember “When in Rome, do as the Romans do.”