Look at the clock! It’s time ______ work.

It is ________ you to sleep in classUnder my impression, you are so energetic

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

Not only my friends but also I _______ interested infootball and Messi is our favorite star.

－How is George now －I hear the manager ______ him a good job, but he refused it.