____ good use you’ve made of your time to study, there’s still room for improvement.
They discovered the cause of the fire accidentally. They discovered it _______.
They lost their way in the mountain and _________ made matters worse was _______ it was getting dark.
He was embarrassed. He felt _____________. A. shy B. hot C shameful D. uncomfortable
The hotel is very comfortable, because it has successfully ______ the old and the new styles.
The Chinese people consider dragons as a ____ of China.