The sentence doesn’t make any ,no matter how you read it.

What great fun the Kings had________ the winter holiday! Where did they go— It is in Hainan ________ they spent the winter holiday.

We are still at the airport．If it weren’t for the delayed flight, we _______ the concert right now．

________matters most in learning English isenough practice.

Is Mr. Liu a teacher with a lot of teaching ________ —Yes, she is. He always tells us some funny ________ after class.