21. For him _____ stage is just _____ means of making a living.
A. a; a B. the: a C. the; / D.a; the
22. The next year few years _____ a series of bad harvests.
A. watched B. heard C. saw D. happened
23. The newly-built café, the walls of _____ are painted light green, is really a peaceful place for us, especially after hard work.
A. that B. it C. what D. which
