Ответ:
1 eleven is out. (It is a Cardinal Numeral, others are Ordinal Numerals)
2 does is out
3 they is out. (It is a Personal Prenounts, others are Possessive)
4 headwaiter is out
5 September is out (It is a autumn month, others are spring)
6 Russian is out
7 Solarium is out
Объяснение: