As she is a _____ visitor to our house, we look on her as a part of our family.

The      house smells as if it hasn’t been lived in for years. 

--- What’s the model plane look like?--- The wings of the plane are _____ of its body.

.Would it be ________ for you to pick me up at four o’clock and take me to the airport?                       

6. As there is less and less coal and oil, scientists are exploring new ways of making use of   energy, such as sunlight, wind and water for power and fuel.