develop的各种形式

　　Events could have developed in a dramatically different way.

　　事情本来可以发展成另一种样子。

　　We need more time to see how things develop before we take action.

　　我们采取行动以前需要有更多时间观察情况的发展。

　　It is important to develop good study skills.

　　培养良好的学习方法很重要。