他是英国人英语怎么说.用不用加a或是an

他是英国人
[网络]
he
is
english;
He
is
British;
He’s
British;
He's
English;
[例句]她并没有认为他是英国人，但她觉得他的英语很好。
She
do
not
think
he
is
english,
but
she
think
his
English
be
very
good.