B Look at the signs and complete the sentences with don't have to or mustn't. ANTIQUES Please feel free to come in. (No cating inside.) Entry possible 30 minutes before the concert. No late arrivals allowed. All vehicles - slow. Drivers of large vehicles, wait for guard before crossing. STUDENTS! Please be quiet 4th-year exam in progress. LIBRARY No talking. Please leave books on tables. - SWIMMING POOL Free swim today. No eating. No drinking. 9 1 2 10 You don't have to.. You mustn't.. You 7 You 8 You 3 Small vehicles 4 Drivers of large vehicles 5 Students 6 Third-year students .. go in. eat inside. arrive half an hour early. arrive late. Swimmers Swimmers wait. cross alone make a noise. take the exam talk in the library. put the books back on the pay today. . eat or drink by the​

Ответ:

1. You don't have to arrive half...

2. you mustn't arrive late.

3. Small vehicles don't have to wait.

4. Drivers of large vehicles mustn't cross alone.

5. Students mustn't make a noise.

6. Third-year students don't have to take the exam.

7. You mustn't  talk in the library.

8. You don't have to put the books back on the shelves.

9. Swimmers don't have to pay today.

10. Swimmers mustn't eat or drink by the pool.