Obligation and Prohibition must/mustn't

Based on the picture, what is the best expression?

• The students must pay attention to the teacher.

• The students mustn’t respect to the teacher.

• The teacher mustn’t read a book silently.

• The teacher must read a book loudly.

According to the school rules, choose the best expression from the picture!

• The students mustn’t put on a tie.

• The students must wear a uniform.

• The students mustn’t bring a bag

• The students must wear a hat.

What are the best words to complete the dialogue?

• must whistle

• must sing

• mustn’t speak

• mustn’t spit

Where does the dialogue take place?

• It is in the park.

• It is in the library.

• It is in the canteen.

• It is in the classroom.

According to the school rules, choose the best expression from the picture!

• We must eat and drink at the canteen.

• We must run and hide at the canteen.

• We must chat and sleep at the canteen.

• We must study and read at the canteen.

According to the school rules, What is the best expression?

• We must throw the rubbish into our bag.

• We must throw the rubbish under the table.

• We must throw the rubbish into the dustbin.

• We must throw the rubbish out of the window.

What is the correct word to complete the dialogue?

• study

• studies

• studying

• to study

How many persons are there in the dialogue?

• There are four persons.

• There are three persons.

• There are two persons.

• There is a person.

According to the school rules, choose the best expression from the picture!

• You must come on time

• You mustn’t cheat on the test.

• You mustn’t talk to your friend.

• You must raise your hand before leaving.

What is the correct sentence to complete the dialogue?

• We must keep our money.

• We must keep our healthiness.

• We must keep smile to everyone.

• We must keep clean our school.