Jim has studied at school for two years(同义句)

问题描述:

Jim has studied at school for two years(同义句)
It _____ two years _____ Jim studied at school.

Jim has studied at school for two years(同义句)
It _____ two years _____ Jim studied at school.
It (was) two years (since) Jim studied at school.
Jim 已经在学校学习两年了.