A healthy lifestyle is often considered to be __________ exercise, mood and diet, and so on.
My parents _______ have arrived at suppertime but their flight was held up due to the heavy fog.
The manager believes prices will not rise by more than _______ four percent.
—Thank you for joining in our conversation tonight. —_____.
He is a difficult person, for he ___________________ about everything.
He ________ his aunt the day he arrives in Beijing.