По ставить глагол "to be" в нужной форме. 1."? "-"" 2.a pair of . 3."llow old you? "-"." 4."barbara and ." 5."."

1."What__are___they?"-"They__are__students"
2.A pair of gloves__is___nice.
3."How old are you?"-"I__am ten."
4."Barbara and Linda__are__friends."
5."We__are___brothers."

1) are , are
2) is
3) am
4) are
5) are?