I. THEORY
A. VOCABULARIES
| Word | Phonetics | Part of Speech | Meaning |
| Ha Long Bay | /hɑː lɒŋ beɪ/ | noun | Vịnh Hạ Long |
| Phong Nha Cave | /fɒŋ njɑː keɪv/ | noun | Động Phong Nha |
| Sa Pa | /ˈsɑː pɑː/ | noun | Sa Pa |
| mountain | /ˈmaʊntən/ | noun | núi |
| river | /ˈrɪvər/ | noun | sông |
| forest | /ˈfɒrɪst/ | noun | rừng |
| island | /ˈaɪlənd/ | noun | đảo |
B. GRAMMARS
1. Exclamatory Sentences with “What”
- Structure:
- What + a/an + adjective + noun!
- Examples:
- What a beautiful beach!
- What an amazing view!
2. Modal Verbs “Must” and “Mustn’t”
- Usage:
- Must: chỉ sự cần thiết, bắt buộc.
- Mustn’t: cấm, không được.
- Examples:
- You must bring a hat.
- You mustn’t litter the beach.
II. EXERCISE & KEYS
Exercise 1: Complete the sentences with “must” or “mustn’t”.
- You _______ visit Ha Long Bay if you go to Vietnam.
- You _______ throw rubbish in the forest.
Keys:
- must
- mustn’t
Exercise 2: Write exclamatory sentences.
- (beautiful / beach)
- (amazing / mountain)
Keys:
- What a beautiful beach!
- What an amazing mountain!
Exercise 3: Fill in the blanks.
- Ha Long Bay is a famous _______ in Vietnam.
- Sa Pa is famous for its _______.
Keys:
- bay
- mountains
Exercise 4: Choose the correct answer.
- Phong Nha Cave is (in / on) Quang Binh Province.
- There are many trees in the (island / forest).
Keys:
- in
- forest
Exercise 5: Translate into English.
- Đừng vứt rác ở bãi biển.
- Bạn phải mang theo nước uống.
Keys:
- You mustn’t throw rubbish on the beach.
- You must bring drinking water.
