There are two gaps in each of the following sentences. From the pairs of words given, choose the one that fills the gaps most appropriately. The first word in the pair should fill the first gap.
The best punctuation is that of which the reader is least conscious, for when punctuation, or lack of it, _____ itself, it is usually because it _____.
- obtrudes, offends
- enjoins, fails
- conceals, recedes
- effaces, counts