1. We had the phone___________ because we are moving tomorrow. (CONNECT)

2. When did the toys come into ___________? (EXIT)

3. He will be able to receive an ___________ from a government agency. (ALLOW)

4. Are there any ___________rivers left in the world? (POLLUTE)

5. The newly-built cinema shows a ___________ of films. (VARY)

6. Do parents get___________  from their children studies? (SATISFY)

7. He is very ___________  in everything he does. (SYSTEM)

8.Fruit___________  as it ripens. (SWEET)

9. My brother lives in a ___________ area. (RESIDE)

10. She is extremely___________ about art. (KNOWLEDGE)

Give the correct form of the word in capital.

1. Ha Noi,  ___________the Old Quarter, become a perfect city for walking with handicraft shops, street food, etc.            ESPECIAL

2. Ha Long Bay, which means descending dragon, is the  ___________heritage of the world with 1,6000 limestone islands.          NATURE

3. Below Sa Pa are___________ rice terraces in the endless valley.     PICTURE

4. Besides the beach, the main___________ in Da Nang is the Museum of Cham Sculpture with the world’s largest collection of Cham artefacts.   ATTRACT

5. Hue becomes one of the most___________ destinations for travelers to Viet Nam with the number of three million tourists a year.                   POPULARITY

6. Hoi An used to be one of the___________ ports of Southeast Asia, which were used by the Japanese, Portuguese, Dutch, French and Chinese merchants.   BUSY

7. Nha Trang, a ___________ coastal city in Central Viet Nam, is generally recognized as Viet Nam’s main beach destination.         DELIGHT

8. Formerly known as Saigon, Ho Chi Minh City is a metropolis which is still young but very___________ .         DYNAMIST

9. The Mekong Delta is well-known for its busy waterways with many rivers, canals and streams___________ through the region.        FLOW

10. Phu Quoc Island is the___________ place for riding, snorkeling, scuba diving, and relaxing.      IDEA

Cho đoạn thẳng AB dài 60cm. Bán kính OI của hình tròn tâm O có độ dài bằng 1 độ dài đoạn thẳng AB. Tính đường kính IK của hình tròn tâm?                                           3

Tìm các số tự nhiên n để phân số 5n+6/6n+5 chưa phải là phân số tối giản

Bạn Việt đã tìm ra một vài phân số có tính chất đặc biệt sau đây. Chẳng hạn phân số

Tìm số tự nhiên n để n+4/n là một số nguyên