23.A. red B. less pale C. less red D. pale
22.A. questioning B. wondering C. smiling D. guessing
21.A. Dad B. me C. the door D. the floor
20.A. turned on B. turned down C. played D. enjoyed
19.A. roommate B. classmate C. neighbor D. companion
18.A. regret B. disappointment C. surprise D. knowledge
17.A. worst B. chair C. best D. tea
16.A. yet B. only C. even D. still
15.A. knocked B. forced C. pushed D. tried
14.A. Finally B. Meanwhile C. Sooner or later D. At the moment