Ex1 : điền động từ tobe ( am , is , are ) thích hợp vào chỗ trống : 1. Bangkok ...... in thailand 2. New delhi ........in Indonesia 3. Guangzhou and Nanning ....... in china 4. Taipei........ in the philippines 5. Bandar Seri Begawan .......in Brunei 6. Jakarta .......in Malaisia 7. Surat and Bangalore.........in sri lanka 8. Vientiane .......in vietnam