Question

В каком(-их) слове(-ах) надо вставить Ь? ветош… бреш… удаст…ся волч…и навзнич… ар…ергард

Answer 1

Ветошь,  брешь,  удастся,  волчьи,  навзничь,  арьергард. 

Answer 2

Words Requiring the Letter "Ь"

In Russian, the letter "Ь" (soft sign) is used to indicate palatalization of the preceding consonant. Here are the words where the letter "Ь" should be inserted:

1. ветош… - ветошь - The letter "Ь" should be inserted after "ш" to form the word "ветошь".

2. бреш… - брешь - The letter "Ь" should be inserted after "ш" to form the word "брешь".

3. удаст…ся - удасться - The letter "Ь" should be inserted after "т" to form the word "удасться".

4. волч…и - волчьи - The letter "Ь" should be inserted after "ч" to form the word "волчьи".

5. навзнич… - навзничь - The letter "Ь" should be inserted after "ч" to form the word "навзничь".

6. ар…ергард - арьергард - The letter "Ь" should be inserted after "р" to form the word "арьергард".

These are the words where the letter "Ь" should be inserted to form the correct words in Russian.