He is one of the ____who support the theory.
A. scientists
B. science
C. scientific
D. sciences
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Theteacherwasangryatmy____late.
A. coming
B. come
C. comes
D. came
His____ madethesituationworse.
A. arrival
B. arrived
C. arrives
D. arriving
The method is ____to me .
A. help
B. helpful
C. helping
D. helps
The ____ of the river is 30 meters.
A. width
B. wide
C. widen
D. wided