1 . Scientists have made a major ______ in the treatment of cancer, bringing great hopes to those patients. (用适当的词填空)

2 . Each side declared that it would never abandon its _______ (原则). (根据汉语提示单词拼写)

3 . Thus people who wanted to use them had to take them to another special parking place near their ______ (目的地) and leave them there. (根据汉语提示单词拼写)

4 . Mr. Brown won by a greater majority in this _______ (elect) than in the last. (根据汉语提示单词拼写)

5 . They are starting to wonder how long their good _____ (运气) can last. (根据汉语提示单词拼写)

6 . The river has two main _______ (支流) along its way to the sea. (根据汉语提示单词拼写)

7 . To reach a goal of change, a person must show some ______ (自律) and repeatedly take some small steps. (根据汉语提示单词拼写)

8 . The incident sparked off a whole __________ (系列) of events that nobody had foreseen. (根据汉语提示单词拼写)

9 . Almost everywhere you go in the UK, you will be surrounded by __________ (证据) of four different groups of people who took over at different times throughout history. (根据汉语提示单词拼写)

10 . 像拥有相同的货币和国防一样，他们也使用同一面国旗(称为“英国国旗”)。
They use the same flag, ______ ______ the Union Jack, as well as share the same currency and ______ ______.