Viết lại câu: You are required to ask your parents for permission before going out. (must)

  Coffee and green tea can help decrease your risk of early death by 20 to 30%.

• promote

• reduce

• examine

• increase

Viết lại câu: It is a good idea for parents to try to understand their teenage children. (should)

Viết lại câu : It’s obligatory for all drivers to have a driving licence.(must)

Increasing numbers of children are putting up with mental health problems due to bad habits

• suffering from

• recovering from

• harming

• improving

Viết lại câu : It’s compulsory for you to go to school on weekdays.( have to)

Viết lại câu: It is a good idea for you to sleep earlier. (should)

The increase in the number of young people leaving to work in the cities has had a dramatic impact on the demography of the villages.

• influence

• energy

• power

• change

Viết lại câu: The last time she came back to her hometown was 4 years ago. - She hasn't

Four generations living in the same roof will have different opinions of lifestyle.

• gaps

• rules

• viewpoints

• manners