根据A句完成B句，要求句意不变，每空一词：

　　A: Stephen has left since three years ago.

　　B: Stephen ________ ________ ________ ________ three years.

根据A句完成B句，要求句意不变，每空一词：

　　A: Henry knows much more about computer than any other student in his class.

　　B: ________ ________ in his class knows ________ much about computer ________ Henry.

根据所给汉语完成句子：

Everyone would ________ ________. Don't be afraid of it.(犯错)

根据所给汉语完成句子：

Some old things are ________ ________ in the museum. Let's go and see this Saturday.(展出)

根据所给汉语完成句子：

________ ________ the clever dog, they found the lost bag.(依靠，凭借)

根据所给汉语完成句子：

I'll go shopping this morning. My shoes are ________ ________.(穿破)

根据所给汉语完成句子：

She looked at me ________ ________, as if she has never seen me.(惊讶地)

根据所给汉语完成句子：

________ ________ keeps you strong and healthy.(锻炼)