New York is one of ____ in the world.
—So many problems! I’m tired.—You should try to them by yourself. You are not a child any longer.
—Would you like camping with me?—I’d like to. But I’m busy my homework.
Most students like the teachers understand them well.
—It’s difficult to get to the other side of the river.—I think a bridge over the river.
Li Na is famous all the tennis fans in China know her.