21.All the villagers _____the fight against the big flood, _____young and old, men and women.
A. joined; including B. joined in; containing
C. joined in; including D. joined; containing
22.Playing tricks on others is ___ we should never do.
A. anything B. something C. everything D. nothing
23.It is in the street _______ the accident happened.
A. that B. where C. in which D. on which
24.Pity the film has begun. We _____ minutes earlier.
A. should B. come C. have come D. should have come