We came here tow hours ago.(改为同义句)We ___ ___ ___ for two hours.

We came here tow hours ago.(改为同义句)We ___ ___ ___ for two hours.
We came here tow hours ago.(改为同义句)We ___ ___ ___ for two hours.

We came here tow hours ago.(改为同义句)We ___ ___ ___ for two hours.
we have been here for two hours