四、单词拼写。（共10分）
61.He ______（介绍）his friend to me last night..
62.He is very _______（慷慨的）– he often buys things for other people.
63.A ______（猛烈的）storm hit the city and destroyed many houses.
64.Yang Liwei is China’s first ______（宇航员）to go out of the earth.
