--What do you think of Lady Gaga?--Maybe she is one of ________ singers in the world.

Now the air in Yancheng is _______ than it used to be . We should do something to stop it .

—Ann, I am worried I’m getting fatter. What shall I do?—I think you should eat________food and do more exercise.

We can do      things with       money and       people.

Of all the streets in Nanjing, Xinjiekou is ___.