Must / Mustn't — Bài Tập 2

I ___ go now, or I'll be late for my appointment.

He ___ be very tired. He's been working all day.

You ___ allow this to happen again. It was a disaster.

The document is sealed. You ___ attempt to open it without proper authorization.

We ___ wash our hands before eating.

You ___ interrupt me when I am speaking. It's impolite.

He is very ill. He ___ see a doctor.

We ___ be on time for the meeting.

We ___ respect our elders.

The doctor was very clear. I ___ have any salt in my diet for a month.