50.A.but B. and C. or D. so
49.A. meanwhile B. suddenly C. soon D. finally
48.A. advise B. criticize C .call D. hug
47.A. turn on B. turn off C. turn up D. turn down
46.A. father B .son C. stranger D. relative
45.A. cried B. shouted C. screamed D. sighed
44.A.catch up with B. take care of C. pay attention to D. get away from
43.A.sure B. nervous C. able D. regretful
42.A. angry B. pleased C. curious D. calm
41.A. walking B. recovering C. returning D. leaving