这家保险公司同意承保我们的新项目。

The insurance company agreed to ___underwrite our new project.

这家保险公司同意为我们的房屋火灾险承保。

The insurance company agreed to ___underwrite our fire insurance policy for the house.

这家证券公司同意承销新股发行的所有剩余股份。

The securities firm agreed to ___underwrite all the remaining shares in the new stock offering.