Đáp án: B. don’t have to → mustn’t
Giải thích: “don’t have to” cần được sửa thành “mustn’t” để diễn tả một việc không được làm.
Dịch nghĩa: Those protected trees mustn’t be cut down. (Những cái cây được bảo vệ kia không được phép chặt.)
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Parents find it unnecessary to satisfy all their children’s needs.
→ __________________________________________________
Swearing every time you need to emphasize something is not a good idea.
→ __________________________________________________
Residents in this city are strictly forbidden to engage in any illegal religious activities.
→ __________________________________________________
Visitors are not allowed to leave the island because of a terrible storm.
→ __________________________________________________
In the UK, you are not allowed to buy or drink alcohol in pubs or shops if you are under 18.
→ __________________________________________________
Am I required to show my identification card to process a bank transfer?
→ __________________________________________________
Vietnamese visitors__________ought to have a Schengen visa to travel to Spain and Belgium.
Your children are very sensitive during their teenage years, therefore, you__________be rude to them.