They have been in army for ten years.(改同义句) _____ _____ ten years _____ they joined the army.

问题描述:

They have been in army for ten years.(改同义句) _____ _____ ten years _____ they joined the army.

It is ten years since they joined the army

there are ,for

ti is ten years that they。。。。。

It is ten years since they joined the army.
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They have been in army for ten years.(改同义句)
It is ten years since they joined the army.