BEFORE LEAVING THE TRAIN ______. A. LUGGAGE MUST HAVE BEEN CHECKING...

Câu 5: Before leaving the train ______. A. luggage must have been checking B. all luggage should be checking C. passengers should check their luggage D. luggage should be checked by passengers Đọc kỹ đoạn văn sau và chọn phương án đúng (ứng với A hoặc B, C, D) cho mỗi chỗ trống từ 6 đến 10. Nowadays people are increasingly aware that wildlife all over the world is in danger. Many species of animals are threatened, and can easily (6)______ extinct if we do not make an effort to protect them. There are many reasons for this. In some cases, animals are hunted for their fur or for other (7)______ parts of their bodies. Some birds such as parrots are caught alive and sold as pets. For many animals and birds, the problem is that their habitat – the place (8)______ they live – is disappearing. More land is used for farms, houses or industry, and there are fewer open (9)______ than there once were. Farmers use powerful chemicals to help them to grow better crops, but these chemicals pollute the environment and harm wildlife. The most successful animals on earth – human beings – will soon be the only ones that (10)______ unless we can solve this problem.