He gets some money from the government every year because of his ____ (伤残) in a fire accident.
A __________（激烈的）debate on the tax cut was going on.
If the sun were to __________（消失），what would the earth be like?
These teaching materials can be __________（改编）for older children.
Mr Smith __________ __________ __________ attend the meeting because he is too busy. （不可能）
I am sorry __________ __________ __________ __________ __________. （对不起，让你久等了）