Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

No one knows where he lives, ________ ?

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions from 17 to 18.

Put the sentences (a-c) in the correct order, then fill in the blank to make a logical text.

Phuc Tho District is situated in the northern part of Hanoi, Vietnam, offering a blend of rich cultural heritage and natural beauty. __________ .

a. In recent years, the district has experienced significant development while striving to maintain its rural charm.

b. The district is known for its vast agricultural land, where rice and vegetables are commonly grown, as well as for its traditional villages that produce handicrafts.

c. Phuc Tho is also home to several historical landmarks, such as ancient temples and pagodas, reflecting its deep cultural roots.