Question

b. We met after a long time and could
recognise each other. (clearly, hardly, rarely, nearly​

Answer 1

Explanation:

Hardly ever, rarely, scarcely and seldom are frequency adverbs. We can use them to refer to things that almost never happen, or do not happen very often. They have a negative meaning. We use them without not. Rarely, scarcely and seldom are more common in writing than in speaking:

He hardly ever smiles.

Answer 2

Explanation:

hardly..

hope it helps...