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3. Ha Long Bay is recognized ________ UNESCO as the world Heritage site.
A. for B. by C. in D. of
1. HL Bay was ....recognised.... by UNESCO as a World Heritage Site (recognition)
2. There are three trains ....daily... from Ha Noi to Lao Cai (day)
3. It is a contest in which ....participant..... have to read two poems in English (participate)
4. Tim and Shannon want to visit an ....oceanograghy.... institute in VN (ocean)
5. The problem is difficult, I can't ....solve..... it (solution)
~ Study well ~ 
1. Ha Long Bay has been recognized bu UNESCO as a Word heritage site (Câu bị động)
2. The robbers have been caught (Câu bị động)
3. Mary used to slee in the same room as her parents when she was a child (Câu có cấu trúc used to; used to có nghĩa là trước đây thường xuyên làm việc gì nên câu trên ta không thêm usually)
II. Use the words given in brackets to form a word that fits in the space.
2. You'll meet the tour guide on your ________arrival________ at the hotel. (arrive)
3. Our post is delivered _________daily_____________except for Saturday (day)
4. Ha Long Bay was ______recognized____________by UNESCO as a World Heritage Site. (recognition)
5. Relax for some minutes and you'll feel more _________comfortable_____ . (comfort)
6. His parents are very _________proud_________ of him. (pride)
8. The _______flight______ from Hanoi to London was delayed in two hours. (fly)
II. Use the words given in brackets to form a word that fits in the space.
2. You'll meet the tour guide on your ____arrival____________ at the hotel. (arrive)
3. Our post is delivered ____daily__________________except for Saturday (day)
4. Ha Long Bay was _______recognized___________by UNESCO as a World Heritage Site. (recognition)
5. Relax for some minutes and you'll feel more ____comfortable__________ . (comfort)
6. His parents are very ______proud____________ of him. (pride)
8. The __flight___________ from Hanoi to London was delayed in two hours. (fly)
1 surrounding
2 closing
3 attraction
4 inhabitants
5 originally
Ha Long Bay was ………recognised………..by UNESCO as a World Heritage Site. (RECOGNITION)