21. Liang Bo, who came out ________ first in the TV show of the Voice of China in July 2012 , will become ________ super star.
A. /, a B. the, a C. the, the D. /, the
22. Personally, I think modern education is ________ sitting at a desk and looking at the blackboard.
A. more than B. no more than C. less than D. no less than
23. Subway Line 1 in Ningbo, ________ in 2008 and ________ in 2014, will help solve the traffic problem in Ningbo.
A. starting, completing B. started, to be completed
C. to start, completed D. starting, completed