我们必须保持教室清洁。

We should keep our classroom clean.

youdao

保持教室清洁是我们的责任。

Keeping the classroom clean is our duty.

youdao

我们保持教室清洁。

We keep our classroom clean.

youdao

我们的教室必须保持干净清洁。

Our classroom should be kept clean and tidy.

youdao

我们应使教室一直保持清洁。

We must always keep our classroom clean.

youdao

让我们保持教室的清洁。

Let's keep our classroom clean.

youdao

我们的老师要求我们保持教室的清洁和安静。

Our teacher asks us to keep the classroom clean and tidy.

youdao

我们总是保持教室清洁。

We always keep the classroom clean.

youdao

我们尽量保持教室清洁。

Let's try to keep our classroom clean.

youdao

我们尽量保持教室清洁。

Let's try to keep our classroom clean.

youdao