—Hello. Is Mary there, please? —I’m sorry, she is not here right now. _______?
If he takes on this work, he will have no choice but _____ an even greater challenge .
A lot of exercise outdoors could _____ positive energy which helps you to reduce stress.
If anyone knows of recent research about this topic, I would greatly appreciate _____.
I don’t think he is the right person to do that job, _____?
--- How did he lose much weight? --- _____ eating less, he walked ten miles every day.