______by some new chairs in the living room.the old ones were moved out and used as firewood.
The natural resources, such as mine, forest, and hydropower (水电)in that area have been __________.
The matter __________ to our study requires __________ with carefully.
Dogs have a very good __________ of smell and are often used to search for survivors in an earthquake.
They found themselves in front of a wooden house __________ with bamboos.
What do you mean, there are only ten tickets? There __________ be twelve.