III/

1. Telephone is the most famous...invention....of Alexander Graham Bell.(Invent)

=> cần điền 1 danh từ

2. I like this hotel. It’s very....comfortable ...(Comfort)

=> cần điền 1 tính từ

3. It is....unhealthy...to eat much fat food and sugar.(Health)

=> cần điền 1 tính từ

4. There was no...explaination...for her absence from class yesterday.(Explain)

=> cần điền 1 danh từ

5. We started their trip on a beautiful...sunny..morning.(Sun)

=> cần điền 1 tính từ

VII/

1. If/my English/good/, I/go/university/England.

=> If my English was good,I would go to the university in England.

2. My sister/learn English/5 years.

=> My sister has been learned English for 5 years.

3. Mao/used/visit/me/when/live/Lang Son.

=> Mao used to visit me when I lived in Lang Son.

4. . In spite/the rain/, they/enjoy/themselves.

=> In spite of the rain,they enjoyed themselves.

5. It/very interesting/walk/the beach.

=> It is very interesting to walk on the beach.

III 1 invention

2 comfortable 

3 unhealthy

4 explaination

5 sunny

VII 1 If my English was good,I would go to the university in England.

2 My sister has been learned English for 5 years.

3 Mao used to visit me when I lived in Lang Son.

4 In spite of the rain,they enjoyed themselves.

5 It is very interesting to walk on the beach.