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Verbal·Standard English Conventions·Form, Structure, and Sense
hard
Albania, Hungary, and the other member nations of the North Atlantic Treaty Organization, or NATO, share a commitment to the principle of collective defense, each NATO member __________ to defend the others if necessary.
Which choice completes the text so that it conforms to the conventions of Standard English?
A
has pledged
B
pledges
C
is pledging
D
pledging