Poll: One of the main problems that ____ down progress....
One of the main problems that ____ down progress....
Poll Stats
This Poll:
- Votes: 492
- Comments: 2
- Added: August 2004
Comments:
slows is the right one......This sentence is singular verb.....
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Martin
The word that is not part of the prepositional phrase determines the number of the verb. One is singular; therefore, the verb is slows.