I. Fill “must / mustn't / have to / don’t have to / should / shouldn't” in the blanks. ⇱
Question 1.
Young people give up some bad habits such as staying up late and spending too much time playing games.
Question 2.
You behave rudely to other people.
Question 3.
It's 10 p.m. I go home now.
Question 4.
In Vietnam, all people drive on the right.
Question 5.
They be at work before 7:50 and get ready for their work.
Question 6.
I think we stay out too late at night. It's dangerous.
Question 7.
You wash all dishes but just enough for ten people.
Question 8.
Students wear uniforms on weekdays at school.
Question 9.
Children obey their parents and try to study hard.
Question 10.
I be back home by 9 p.m. My parents let me decide what to do.
II. Fill in the correct prepositions to complete sentences. ⇱
Question 11.
My child is good using electronic devices.
Question 12.
Parents always complain their children’s habits but still love them a lot.
Question 13.
These shoes belong my brothers. He collects shoes.
Question 14.
Young people are interested doing what they like.
Question 15.
addition, too much screen time is bad for teenagers' health.