在学校，我们必须打扫教室。

At school, we must clean the classroom.

youdao

每天他们都必须打扫教室。

They must clean their classrooms every day.

youdao

放学后你们必须打扫教室。

You need to clean the classroom after school.

youdao

今天他必须打扫教室吗？

Does he have to clean the classroom today?

youdao

我们必须打扫教室。

We have to clean the classroom.

youdao

每天必须打扫教室。

Have to clean the classroom everyday.

youdao

我们必须打扫教室。

We have to clean the classrooms.

youdao

我必须打扫教室吗？

Must I clean the classroom?

youdao

我现在必须打扫教室吗吃苹果是一种好的饮食习惯你每隔多久给你的笔友写信一…

Must I clean the classroom now?It's a good habit to eat apples…

youdao

我们必须马上打扫教室吗？

Must we clean the classroom at once?

youdao

我们必须现在打扫教室。

Must we clean the classroom right now?

youdao

他们必须打扫他们的教室。

They must clean their classroom.

youdao

我们必须每天打扫教室。

We must clean our classroom every day.

youdao

我们必须每天打扫教室。

We have to clean our classroom every day.

youdao

我们必须要打扫教室吗？

Must we clean the classroom?

youdao

教室必须及时打扫与清理，不破坏自然环境，制止折树枝、乱扔垃圾等行为。

Clean classroom does not destroy the natural environment. We should stop off branches, no littering and other bad behaviors.

youdao

我们必须把教室好好打扫一下。

We must give our classroom a good clean-up.

youdao

我们必须把教室好好打扫一下。

We must give our classroom a good clean-up.

youdao