—Who is doing the work?—Is ________ Li Ming?
— __________ is the price of the trip? — Ten dollars per person.
Could you please speak a little more ? I can't follow you.
Her mother looked _________at that moment when she heard the good news.
With the help of his classmates, he ___________the difficult maths problems easily.
________ of giant pandas is getting _________ because their living areas are becoming farmland.