In terms of the place of articulation, the following sounds [t][d][s][z][n] share the feature of （）.

In English, “pill” and “bill” are （）.

protolanguage

“It is raining hard” is a one-place predication sentence.

Of the three branches of phonetics, the longest established, and until recently the most highly developed, is（）phonetics.

registers

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

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 （）.

“The student” in the sentence “The student liked the linguistic lecture”, and “The linguistic lecture” in the sentence “The linguistic lecture liked the student.” belong to the same syntactic category.

Give the description of the following sound segments in English.[k];[z];[w];[u:];[i]