.Beijing is bigger than ___________in Anhui.

--- How was your trip to the park?--- It couldn’t be         . We lost our way and it kept raining. 

Lucy liked all the dresses there，but she took the ______one to save as much money as possible for Project Hope.

Now the air in our city is _______ than it used to be．Something must be done to stop it．

Of all the streets in Beijing, Wangfujing is ___.