1 . We will put off the picnic in the park until next week, ________ the weather may be better. (用适当的词填空)

2 . It was an exciting moment for these football fans this year, ________ for the first time in years their team won the World Cup.

3 . 一个新建的公园将对公众开放，在那儿你们会玩得非常开心。（where）
A newly-built park will open to the public，_________________________________________.

5 . According to medical experts, there is a“golden period", the first 4 minutes of a heart attack,____________CPR(心肺复苏) is most effective in saving the persons' life. (用适当的词填空)

6 . The National Day falls on October 1st, ______ he was born. （用适当的单词填空）

7 . He will put off the picnic until May 1st, ______ he will be free. （用适当的单词填空）

8 . Between the two parts of the concert is a break, ____________ the audience can buy ice-cream. (用适当的词填空)

9 . He will come to see me next July, ________ he won’t be so busy. (用适当的词填空)

10 . Next month, ____________________________（你将度过你的暑假）in your hometown, is approaching. （根据汉语提示完成句子）