About 20 of the passengers who were injured in a plane crash are said to be in_____condition ．

The destruction of the twin towers _________shock and anger throughout the world ．

In 1991，while t11e economies of industrialized countries met an economic_____，the economies of developing countries were growing very fast ．

The manager is calling on a______ customer trying to talk him into signing the contract ．

After his uncle died ，the young man _____the beautiful estate with which he changed from a poor man to a wealthy noble ．

导致氏族社会形成的原因是()

Many _______will be opened up in the future for those with a university education ．

斯宾塞认为教育管理儿童的最终目的是让儿童学会()

John says that his present job does not provide him with enough ______for his organizing ability.

裴斯泰洛齐的教育活动中，改革教学的一个重要任务是()