Mark the letter A, B, C, or D to indicate the correct answer to each of the following sentences.
21. ________ to stay fit, he goes jogging every morning.
A. To want
B. Wanted
C. Wanting
D. To be wanted
22. The Complex of Hue Monuments was the first site in Viet Nam ________ to the World Heritage List.
A. adding
B. to add
C. to be added
D. added
23. ________ to catch the bus, she is waving at her friend.
A. Running
B. To run
C. Run
D. Having run
24. Situated on Cam Khe Hill, Tomb of Minh Mang is one of the most interesting royal tombs ________ in Hue.
A. to visit
B. visited
C. visiting
D. being visited
25. The most magnificent feature of Taj Mahal ________ is the central dome.
A. noticed
B. being noticed
C. to notice
D. noticing