题目内容

The celebration of Labour Day, in honour of the working class, was______ in the United States in 1882.

查看答案
更多问题

The invention of the printing press set _________ a social revolution that is still in progress.

The tour descriptions are quite detailed and include comprehensive day-by day _________.

Many old statues in that temple that have long been _______ have lost their paint and grown dark with age.

The Appolo Program involved many smaller programs, which engineers used to develop the techniques needed for the _______ trip to the moon.

答案查题题库