1 . He was faced with the d_________ of whether or not to return to his country. （根据首字母单词拼写）

2 . She looked back on her successful career with great s_________.（根据首字母单词拼写）

3 . We all breathed a sigh of r_________ when knowing the plane landed safe.(根据首字母单词拼写)

4 . It is highly important to make sure that everyone has a ______ to the Internet. (根据首字母单词拼写)

5 . I’m writing this letter to invite you to watch the p ______.(根据首字母单词拼写)

6 . The c______ is calling for volunteers to make use of their free time to help those poor children. (根据首字母单词拼写)

7 . There is e______ that fire was used to cook food at least 5,000 years ago. (根据首字母单词拼写)

8 . She smiled with great s______.(根据首字母单词拼写)

10 . I switched the e________ off and prepared to park the car beside the pavement. (根据首字母单词拼写)