keep|keeps|kept|keeping

警察奋力阻止人群向前涌。

The police struggled to ___keep the crowd back.

请退后——这里发生了事故，需要保持区域畅通。

Please ___keep back – there's been an accident and the area needs to be clear.

设置了屏障以阻止观众靠近舞台。

Barriers were put up to ___keep the spectators back from the stage.

她注意饮食以控制胆固醇水平。

She watches her diet to ___keep her cholesterol down.

使用减速带能有效减少居民区的交通事故。

Using speed bumps is effective for ___keeping down traffic accidents in residential areas.

政府实施政策以控制通货膨胀。

The government implemented policies to ___keep down inflation.

她戴了顶帽子来遮挡阳光，避免晒到脸。

She wore a hat to ___keep the sun off her face.

请你别用手碰那些饼干，好吗？

Could you ___keep your hands off the biscuits, please?

屏幕保护膜有助于防止灰尘落到你的手机上。

A screen protector helps ___keep dust off your phone.

一旦打开，这瓶果汁在冰箱里可以保鲜一周。

Once opened, this juice will ___keep for a week in the fridge.

鲜牛奶不冷藏的话保鲜不了太久。

Fresh milk doesn't ___keep for long without refrigeration.

蜂蜜可以保存多年而不变质。

Honey can ___keep for years without spoiling.

我的祖父母在他们的花园里养了几只鸡。

My grandparents ___keep a few chickens in their garden.

我认为把大型犬养在小公寓里是不公平的。

I don't think it's fair to ___keep large dogs in small flats.

他们在农场里养牛，以获取牛奶和牛肉。

They ___keep cows for milk and beef on their farm.

他同意来，我相信他会遵守诺言。

He agreed to come and I'm sure he'll ___keep his word.

事实证明，被雇佣来组织活动的公司没有履行承诺。

It turned out that the company that had been hired to organize it did not ___keep their word.

你承诺过要帮忙，所以请信守诺言。

You promised to help, so please ___keep your word.

午餐在一点，但我吃了个香蕉来撑一下。

Lunch is at one, but I ate a banana to ___keep me going.

营养丰富的早餐可以让你撑到午餐时间。

A nutritious breakfast can ___keep you going until lunchtime.

在漫长的会议中，咖啡让我们撑了下去。

During the long meeting, coffee ___kept us going.

留意送货车。

___Keep an eye out for the delivery van.

在医院里，工作人员留意需要额外帮助的病人。

In the hospital, staff ___keep an eye out for patients who need extra help.

徒步时，留意野生动物是明智的。

When hiking, it's wise to ___keep an eye out for wild animals.

他难以用目前的工资养活他的家庭。

He struggles to ___keep his family on his current wage.

经济好转后，人们能赚足够的钱来养活家庭。

With a better economy, people can earn enough to ___keep their families.

用有限的预算维持一个家庭很困难。

It's challenging to ___keep a household on a limited budget.

这种奶酪在阴凉干燥的地方保存得很好。

This cheese ___keeps well in a cool, dry place.