maintain|maintains|maintained|maintaining

妥善维护一座历史建筑费用高昂。

It's expensive to ___maintain a historic building properly.

地方市政委员会负责维护公共公园。

The local council is responsible for ___maintaining public parks.

他的工作包括维护公司的车队。

His job involves ___maintaining the company's fleet of vehicles.

军队被调来维持该地区的秩序。

The army has been brought in to ___maintain order in the region.

我们有标准要维持。

We have standards to ___maintain.

这两个国家多年来一直保持着密切的联系。

The two countries have ___maintained close links over the years.

她坚称自己只是因为说了真话而受到批评。

She ___maintains that she’s being criticized simply for telling the truth.

他坚称以前从未见过那个女人。

He ___maintains that he has never seen the woman before.