Word-Formation - Nouns

Which word needs suffix - ness for this sentence:

His face had a sign of ............. because of the failure.

Which word needs suffix - ness for this sentence:

................... is a sign of a good behaviour.

Suffix - ment is used for all words except (за винятком) -

Suffix -ness is used for all words except (за винятком) -

We can add suffix -ness to ....... to get a noun.

We can add suffix -ment to ....... to get a noun.

Find the wrong option.

Find the wrong option.

Every student needs ...................... to get success.

My ................... to work hard at the lesson brings me real benefits.

The most useful .................. for a cold is to drink hot tea.