Some American spellings were created by Noah Webster, ________ made one of America’s first dictionaries.

During the 1950s，R&Bchanged modern music further and led to＿＿＿＿we know asrock and roll

Wikileaks became world famous as it _______ a great deal of US military intelligence and posed a serious threat to the US government.[ ]

People who have studied ancient instruments are hopingto learn more about the culture that ______ this ancient flute.

He didn’t catch the train, did he– _________, because he was caught in the rain.