11: Tokyo/ most populous/ capital/ city/ world. A. Tokyo is the most populous capital city in the world. B. Tokyo is most populous capital city in the world. C. Tokyo are the most populous capital city in the world. D. Tokyo are most populous capital city in the world. 12: She/ be/ to Dubai/ three times/ year. A. She is to Dubai three times this year. B. She is to Dubai three times year. C. She has been to Dubai three times year. D. She has been to Dubai three times this year. 13: Singapore/ located/ Southeast Asia. A. Singapore is located in Southeast Asia. B. Singapore was located in Southeast Asia. C. Singapore is located of Southeast Asia. D. Singapore was located on Southeast Asia. 14: It’s/ fantastic/ spend/ a day/ New York. A. It’s fantastic to spend a day in New York. B. It’s fantastic spending a day in New York. C. It’s fantastic to spend a day at New York. D. It’s fantastic spending a day at New York. 15: Many/ tourists/ visit/ Hanoi/ year. A. Many tourists visited Hanoi every year. B. Many tourists visit Hanoi every year. C. Many tourists will visit Hanoi every year. D. Many tourists has visited Hanoi every year.