1 . ________we’ve made the promise, let’s keep to it and not give up easily.

A．Whether

B．Since

C．Though

D．Unless

2 . Just ________ a baby kangaroo must learn to protect itself when it leaves its mother’s pocket, I will have to learn to protect myself when I grow up. (用适当的词填空)

3 . 无论生活把我们带到哪里，无论摆在我们面前的选择是什么，值得记住的是，当我们的工作做得好时，它不仅会帮助我们谋生，还会帮助自己和他人创造生活。
Wherever life takes us and ________ before us, something worth remembering is that our work, when done well, will not only help us make a living but also help make a life for ourselves and for others.

4 . It ______ be long ______ we meet again.
过不了多久我们就会再见面。