A new generation ofsophisticated copy machines, capable of unprecedented detail and accuracy, are prompting the development of more complex currency designs to prevent counterfeiting.
a.sophisticated copy machines, capable of unprecedented detail and accuracy, are
-"are" is the INCORRECT verb because its plural. The subject is "GENERATION" = SINGULAR. Therefore, "is" is the appropriate choice
b.sophisticated copy machines, capable for unprecedented detail and
...
a.sophisticated copy machines, capable of unprecedented detail and accuracy, are
-"are" is the INCORRECT verb because its plural. The subject is "GENERATION" = SINGULAR. Therefore, "is" is the appropriate choice
b.sophisticated copy machines, capable for unprecedented detail and
...
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