Question

1. you (should/mustn't) keep quiet in the library. 2. You (should/mustn't) smoke at school. 3. you (should/mustn't) eat politely. 4. you (should/mustn't) chew with your mouth open y demas preguntas que ha que resolver gracias

Answer 1

Respuesta:

you must keep quiet in the library. 2. You must not smoke at school. 3. You must eat courteously. 4. you should not chew with your mouth open

Explicación: