Many nations have promised to reduce greenhouse gas emissions, but are falling short of the _______ reduction of 25 to 40 percent of 1990 levels.
As a result, these endangered animals may even __________.
__________ time goes on, our country becomes more and more powerful.
The newly discovered star was named __________ a Chinese astronomer __________ honor of his contributions to astronomy.
The government has agreed to pay the firms extra sums to __________ for their financial losses.
You'd better not __________ the radio, or you will not be able to put it together again.