徒步很漫长也很艰难，但从山顶看到的景色让这一切都值得。

The hike was long and tough, but the view from the summit ___was ___worth ___it.

骑自行车爬上那个陡峭的山坡非常累人，但到达山顶看到大海的那一刻，一切都值得了。

Riding my bike up that steep hill was exhausting, but reaching the top and seeing the ocean ___was ___worth ___it.

如果你想进入一所好大学，那么每晚为考试学习都是值得的。

Studying every night for the exam ___is ___worth ___it if you want to get into a good university.