问题描述：
（1）we haven`t seen each other for 10 years since we metlast.
It _____ _______ ______ since we met last.（句型转换）
（2）he decided to be a vet after he graduated from school.
he _____ ____ _____ ____ to be a vet after he graduated from school.
It _____ _______ ______ since we met last.（句型转换）
（2）he decided to be a vet after he graduated from school.
he _____ ____ _____ ____ to be a vet after he graduated from school.
问题解答：
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