1. (2022九下·瑞安开学考) 用方框中所给单词的适当形式填空。每词仅用一次，每空不限填一词。

wonder       our     fail     hardly      success

1. （1） No matter what difficulties we face, we shouldn't lose confidence in .
3. （2） Though the scientist again and again, he kept on doing experiments.
5. （3） Cindy is so careful that she makes mistakes in her homework.
7. （4） The Giant's Causeway is one of the most fantastic in the world.
9. （5） I think that there is every chance that you will if you work hard enough.