endorse

我完全支持这一观点，即在新的建设中必须保护历史建筑。

I fully ___endorse the view that historic buildings must be protected during new construction.

请在支票背面签名才能兑现。

You need to ___endorse the check before cashing it.

请在支票背面签名后才能兑现。

You need to ___endorse the check on the back before cashing it.