The trade union _____ the workers to go on strike unless the management agreed to give them a raise.
A. called up
B. called off
C. called on
D. called with
Text A in Unit 4, Heroes of our time, is an exposition of ________ pattern.
A. definition
B. process
C. feature
D. cause
Martin is a capable person whom you can always _____ in a crisis.
A. relate to
B. count on
C. delight with
D. account for
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