The idiom“ ____” is an idiom nominal in nature. 

Though borrowing has been playing an active role in the  of vocabulary as indicated, in modern times, however, vocabulary is largely enriched on an internal basis. 

Though borrowing has been playing an active role in the expansion of vocabulary as indicated, in modern times, however,  is largely enriched on an internal basis. 

Though borrowing has been playing an active role in the expansion of vocabulary as indicated, in modern times, however,  is largely enriched on an internal basis. 

Among the following four past tense markers -ed,（）is realized by /t/.

“Im-”，“ir_”，“il-” and “in-” are all（）of the（）, negative prefix. 

The past tense marker“-ed”is pronounced as/t/in the following words EXCEPT（ ）.​

The plural morphme “-s” is realizd by/iz/after the following sounds EXCEPT（）.

A monomorphemic word is a word that consists of a single（ ）morpheme.

The plural morpheme “-s” is pronounced as/s/in the following words EXCEPT（ ） 

The plural morpheme "-s" is pronounced as/s/in the following words EXCEPT（ ）

The plural morpheme "-s" is pronounced as/z/in the following words EXCEPT（ ） 

How many monomorphemic words are there in the following words? cats  boss  work  improper  tried （）

The plural morpheme {-s} is realized by /s/after the following sounds EXCEPT（ ）

The plural morphme “-s” is realizd by/iz/after the following sounds EXCEPT（）.

Monomorphemic words are realized by single morphs such as （ ）.

Monomorphemic words are realized by single morphs such as（ ）.

The morphemes which are realized by more than one morph according to their position in a word are known as（）

The morpheme of plurality /-s/ is pronounced as /s/ in cats, /z/ in bags, and /iz/ in matches. This example shows（ ）.

There is(are) (   ) allomorphemic word(s) in the following words: cats, men, glass, worked.