21. There is no doubt that the Diaoyu Islands are ________ part of China and what some Japanese have done recently is actually ________ offence against Chinese people.
A. a; / B. a; the C. the; / D. /; an
22. South Korean star PSY's “Gangnam style” video, ________, has set the Guinness World Record for the most “liked” video in YouTube history.
A. broke records B. breaking records C. to break records D. breaks records
