Tian'anmen Square is the largest square in the world, which covers a total area of 440,000 square meters, 880 meters north to south, and 500 meters east to west.
It’s reported that in the past 50 years around 80 percent of Beijing’s courtyard houses ______.
On the small island, which is the entrance to New York Harbor, _______.
---I hear Liza and her husband have flown to Hawaii for their honeymoon. ---Oh, how nice! Do you know when they?
Be careful when you deal with this chemical, as it will explode when ______ to sunlight.
Normally, a forest fire and the damage ______ causes can be very severe, especially when you consider the financial and physical losses.