7 ★★ Add the prefix un- to the adjectives and match them with the definitions.
friendly, happy, usual, tidy, fair ,helpful.
1) sad 2) different or not common 3) not nice to another person 4) not wanting to help someone 5) when the rules are not the same for everyone 6) when things are not clean or not in the right place unhappy.
даю 40 баллов ​