1 . Alf did this for over two years and his fellow dustmen kept his_________(秘密). (根据汉语提示单词拼写)

2 . Jordan says that ______(他成功的秘诀)is learning from his failures. (根据汉语提示完成句子)

3 . Messi says that the secret ________ his success is learning from his failures.

A．about

B．to

C．for

4 . 乔丹(Jordan)说他成功的秘诀是吸取失败的教训。(secret to) (汉译英)

5 . 她成功的秘诀是向别人学习。(the secret to)(汉译英)

6 . As a philosopher ____, the secret ____happiness is to think about positive things and stay optimistic.

A．retells; on

B．reminds; to

C．remarks; of

D．respects; in