Question

.Complete the sentences with must, mustn't, have to, and don't have to.

1. You_____ call the firefighters if you see a fire.

2. You_____ eat or drink inside the library.

3.Students_____ return the books to the place where they found them.

4 Students_____ answer doubts from other students. Our assistants can help them.

5 Visitors_____bring their belonging with them at all times.​

Answer 1

Explicación:

1 have to call

2 you mustn't

3 students must..

4 dont have to

5 visitors must