All of us have gone out. There is ________ at home.

 All the _________ things need air and water. Without air or water, nothing can stay _______.

There are two _________ reading English at the English Corner(英语角).

There is no doubt ________ the Diaoyu Island is part of China's territory.

--- Can you tell me ______ it is from here to the Summer Palace? ---Let me see. It's about 15 minutes' ride.