Какой глагол соответствует следующему определению: to pay an informal visit to a person or a place?

Solution:

The phrase 'to pay an informal visit to a person or a place' means to visit someone or somewhere without a formal arrangement, often for a short time. Among the given options, the phrasal verb that best fits this definition is 'drop by'.

1. get on: This phrasal verb usually means to have a good relationship with someone or to board a vehicle.
2. come in: This phrasal verb means to enter a place.
3. drop by: This phrasal verb means to visit someone or somewhere informally and often unexpectedly.
4. call for: This phrasal verb can mean to fetch someone, to demand something, or to require something.

Therefore, 'drop by' is the correct answer.

Answer: drop by