V．单词拼写 (共8小题，每题1分，满分8分)
72．When you a________________ to someone, you say that you are sorry that you have hurt or upset them or caused trouble for them.
73．D________________ in her best clothes, the girl tried to make herself noticed at the party.
74．He always means what he says. In other words, he always keeps his w________________.
75．Many students had their hair cut at the b________________ near the school last weekenD．
76． Compared to other children, this little boy was i________________ very lucky.
77．Albert Einstein is one of the great p________________ in the worlD．
78．G________________ warming has been a serious social problem which attracts much public attention.
79．His l________________ vocabulary leads to his failure of the English test.
