造主系表的例句，become

1、How much does it cost to become a member?要成为会员得花多少钱

2、The situation might all too easily have become a disaster.这形势本来是很可能成为一场大灾难的。

3、Students should aim to become more independent of their teachers.学生应该努力逐渐减少对老师的依赖。