—______is the Changjiang river in China, do you know?—Yes, it’s about 6,380 kilometers long.
There _______ an English party in our class next week.
Sam spends two hours _______ his homework every day.
You should not eat _______ meat. It can make you fatter.
—_______ do you prefer, walking or running? —I like running better.
-- ? -- No, It’s on the sofa.