The pair of words “l(fā)end”and “borrow”are（）.

acculturation

In English, “pill” and “bill” are （）.

ethnic dialect

What essentially distinguishes semantics and pragmatics is whether in the study of meaning （）is considered.

As modern linguistics aims to describe and analyze the language people actually use, and not to lay down rules for "correct" linguistic behavior,it is said to be （）.

registers

In modern linguistic studies, the written form of language is given more emphasis than the spoken form for a number of reasons.

According to the ways antonyms differ, how many groups can we classify antonyms into?

The sentence structure is （）.