These aren't even real, important exams, as her GCSEs will be next year. They're just mock exams. Is the work she's been doing really going to make her more knowledgeable about her subjects,

These aren't even real, important exams, as her GCSEs will be next year. They're just mock exams. Is the work she's been doing really going to make her more knowledgeable about her subjects, or will she forget it all tomorrow? I suspect the (3)_____ .