我们必须保持教室干净整齐。

We must keep our classroom clean and tidy.

youdao

我们必须保持教室干净整洁。

We must keep the classroom clean and tidy.

youdao

我们的教室必须保持干净清洁。

Our classroom should be kept clean and tidy.

youdao

我们必须保持我们的教室干净。

We must keep our classroom clean.

youdao

那婴儿正在睡觉，保持安静！我们必须保持我们的教室干净。

Keep quiet! The baby is sleeping. We must keep our classroom clean.

youdao

我们必须每天保持我们的教室干净。

We must keep our classroom clean every day.

youdao

我们必须每天保持我们的教室干净。

We must keep our classroom clean every day.

youdao