In order not to be disturbed ,I spent three days in my study.
. The news of the mayor’s coming to our school for a visit was ______ on the radio yesterday.
In the middle of the night, there suddenly came a loud thunder, _____ the alarms of the cars parking below us.
. The government is cautious because they are afraid that a new policy on taxation would ______the political balance of the country.
The American Foundation for the Blind has been trying to figure out how to make public libraries __________to blind readers .
Since Shanghai won the right to host the World Expo, over half a million people have volunteered to ___________in all the Shanghai Expo projects .