The weather in Guiyang in summer is ______than that in Tongren. They’re different .

I usually do my homework _____than Mary. But she makes fewer mistakes because she is_____.

 —Who is that boy?—Oh, he is Li Jing. He is ________ student in our class.

Chanjiang River is one of________ in the world.

— What do you think of the play?— Oh, It’s the __________ one I have ever seen. I nearly fell asleep!