题目内容：

 根据下列句子及所给汉语注释，写出空缺处各单词的正确形式。（每空只写一词）

1.The wedding party was delayed because of the late ______ (到达) of the minister who would marry the new couple.                               

2.There being 100 students singing at the concert, you’d better have a ____ (指挥) to keep them in time.                                   

3.So ______ (决心) was the disabled young man to study that a mixed university offered him an entrance prize.   

4.The _________ (交换) of goods had a symbolic meaning far more important than the value of the goods themselves.

5.Mary is _______ （乐观的）about her chances of winning a gold medal.

6.He has ________(总共) collected 1020 stamps.

7.She looks ________(面熟) to me, but I don’t remember her name.

8.Our party has now a correct ________ (政治)line.

9.A national conference will be held next ____________ (周三) to discuss the economic problems.

10.Children are taught to believe in the _______________ (原则) of equal opportunity for everyone.