21. —Whose advice do you think I should follow?
—
A. No problem B. Come on!
C. It’s up to you D. Well, that’s life
22. In face of failure, it is the most important to keep up good state of mind.
A. /; a B. a; / C. the; / D. /; the
23. The Parkers bought a new house but will need a lot of work before they can move in.
A. they B. it C. one D. which
