2--You must have prepared very well.
 
1--Sure thing. I've learned every question by heart.
 
2--No wonder you did a perfect job. You deserve it.
 
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注解：
 
1.full mark满分
2.learn by heart记住，背诵
3.deserve应得
 
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译文：
 
1--这次考试我得了满分。
2--你一定准备得非常好。
1--当然。我己经把每道题都背下来了。
2--怪不得你得了满分。这是你应得的。