I will endeavour to do my best for my country.

　　我將竭盡全力報效祖國。

　　I will contact you later to advise you when to come.

　　稍后我會與你聯系，通知你何時前來。

　　I will send you a copy of the report.

　　我會把這個報告的復印本寄給你。

　　I will attempt to answer all your questions.

　　我將努力回答你的全部問題。

　　I will contact you by letter.

　　我會給你寫信聯系的。