According to The Copyeditor's Handbook, SUBJECT-VERB-AGREEMENT, rule#18, page#345;
- One or more x. The expression one or more always takes a plural verb.
One or more files are missing.
One or more of these reports are out of sequence.
According to The Copyeditor's Handbook, SUBJECT-VERB-AGREEMENT, rule#18, page#345;
One or more files are missing.
One or more of these reports are out of sequence.