英语高考祝福卡的内容可以包括以下几个方面：

鼓励与支持

Never give up, and good luck will find you.

If not us, who？ If not now, when？

You’ve got this!

自信与力量

Life doesn’t get easier； you just get stronger.

学习与创造

The study and creation is the life two feet.

生活态度

Stand up, bend down to do things.

Adversity is a path of success.

Life is o nly live, there is no dress rehearsal.

聪明与勤奋

Smart lies in hard work, talent is gained by accumulation.

想法与出路

Idea decided to practice, thinking decde way out.

状态与努力

State is dry out, not, etc.

祝贺与祝愿

Wish you a successful start, high school entrance examination!

I wish all candidates the best of luck and achieve their ideal results.

Congratulations on your高考 success.

We are proud of your achievements.

过程与美好

高考不是人生的终点，只是人生的一个转折点，不管结果如何，过程都是最美好的，努力过，坚持过，就算跌倒了，只是多走一段路，多绕一个弯，无所谓失败.

其他

Tryit,youcanwin.

这些祝福语可以根据个人喜好和具体情况进行选择和组合，以达到最佳的祝福效果。