This warning sign indicates that you ____ step on the grass.
Đáp án đúng là: B. mustn't
Giải thích:
'Shouldn't' và 'ought not to' diễn tả lời khuyên không nên làm gì. 'Don't have to' nghĩa là không cần thiết. 'Mustn't' diễn tả sự cấm đoán. Biển báo cấm bước lên cỏ, vậy 'mustn't' là phù hợp nhất.
Các câu hỏi liên quan
- All planes ________ before departure.
- My sister often goes to church by________bus.
- Online courses give students the chance to work at their own ____________.
- Lying next to the beautiful Lan Ha Bay, Cat Ba Island is considered one of the must-visit destinations of Vietnam. Cat Ba has three main beaches ___(1)___ visitors can sunbathe and enjoy the beauty of the sea, especially at sunset. For those who prefer ___(2)___ activities, they can try rock climbing, kayaking, or snorkeling.Summer is the best time to visit Cat Ba because of the sunny days, less rain and high temperature. There are many suitable beachside activities for tourists to join in. ___(3)___ during this time, the beaches can be more crowded than usual. If you want to have the beaches all to yourself, come early in the morning. ___(4)___ other islands in Vietnam. Cal Ba offers a wide variety of quality seafood. The restaurants here have great views of the bay and the service is excellent. Let’s ___(5)___ a trip to Cat Ba and you will certainly have the best time with your beloved family or friends.
- Read the following passage carefully and then choose the best option to fit each space.When the word “endangered” is mentioned, people usually think of particular species, like the panda or whooping crane . However, we would like to encourage you to think about ___(1)___ in a broader context. It is habitats, the physical places ___(2)___ species live and interact with one another. Although the development of special breeding programs, also known as captive conservation, may help some species in some cases, it is clearly not ___(3)___ answer to the global problem. Indeed, ___(4)___ we are able to protect natural areas where endangered species actually live, they have no future. Species become endangered for a wide ___(5)___ of reasons. By analyzing and grouping many individual cases, however, we find the same broad causes appearing again and again. They are Habitat Destruction, Exotic Species, and Overexploitation. Among other factors threatening particular species are limited: distribution, disease, and pollution.