I.Give the correct form of the words in brackets:
1.You should stay ________healthy__________.  (health)
2.How _______long_______ is the river? (Length)
3.Lan was asbent from class because of her _____sickness_______. (sick)
4.He has a bad cold.He feels very _____unpleasant_________. (Pleasant) 
5.I have an _______appoinment________ with my doctor at 5 p.m. (Appoint)
II.Read the text,and then answer the questions. 
  Ba Be lake is the largest lake in Vietnam. It is a mountainous area, nearly 250 km from Hanoi. When you get to the entrance of Ba Be National Park, you have another 16 kilometers drive through the park to arrive at the small village "Pac Ngoi" of Tay Minority. You can stay overnight in a local stilt house. The next day you can get on your boat and have a trip on Ba Be Lake. You can enjoy the wonder landscape. During the boat trip you can visit some caves and the Dau Dang Waterfall. You can also watch the local communities with their daily life. 
6.What is Ba Be Lake?
Ba Be Lake is the largest lake in Viet Nam
7.Where is it?
The lake is located in a mountainous area, 250 km from Hanoi.
8.How can we visit the small village of Tay Minority? 
When you get to the entrance of Ba Be National Park, you have another 16 kilometer drive through the park to arrive at the small village"Pac Ngoi" of Tay Minority. 
9.What can we visit during the boat trip on Ba Be lake?
We can enjoy the wonderful scenery. During the boat trip, you can visit some caves and Dau Dang waterfall
10.What can we watch the local communities? 
We can see the local community with their daily lives.

1. healthy (adj): khỏe mạnh (stay healthy: luôn khỏe mạnh

2. long (adj): dài (How + adj + tobe + noun?)

3. sickness (n): bệnh (Because of + N/V_ing)

4. unpleasant (adj): khó chịu (feel + adj)

5. appointment (n): cuộc hẹn (mạo từ + N)

`II`.

6. Ba Be lake is the largest lake in Vietnam (Câu 1)

7. It's in Vietnam (Câu 1)

8. You can drive through the National Park to visit small village of Tay Minority (Câu 3)

9. You can visit some caves and the Dau Dang Waterfall during the boat trip on Ba Be lake (Câu 7)

10. We can watch with their daily life