He thought I was talking about his son, ____in fact I was talking about mine

Is she _______________ in Geography——No, she isn’t. She shows no ______________in this subject.

eek,only two people came to look atthe house, ______wanted to buy it.

When and where to go for the on-salary holidayyet.

下列各组句子中依次含有通假字、活用、古今异义的一项是（ ）