A lemon (am, is, are, am not, isn't, aren'). It (am, is, are, am not, isn't, aren't)...

Question

A lemon (am, is, are, am not, isn't, aren'). It (am, is, are, am not, isn't, aren't) expensive

Answer 1

 it is a  lemon
it is expensive    и можно ещё сказать по-другому: it is not expensive