帮我翻译几个句子吧 晚上就要交了

1.The increasing gas prices makes John give up the idea of buying a car.
2.Only through hard working can we become licensed volunteers of the World Expo.
3.When to launch a satellite next remains unclear.
4.My English dictionary missing,someone must take it away.
5.Although the scientist is living in a foreign country,he still think of native land,which touches all of us.