--Wow, so many new houses! I can’t believe that. It used to be a poor village.--- Yes,_________ has changed here.

Miss Wang teaches _______ Maths.

— You look so happy!— That’s because an old friend of            is coming.

Scott usually gets up at 6:10, then he cleans _______ room. 

—______is the Changjiang river in China, do you know?—Yes, it’s about 6,380 kilometers long.