下列各句中，没有语病的一句是(　　)

–It is a long time ______ I saw you last year. –Yes.And it will be some time ______ we see each other again.

I’d like to invite you to our party this weekend.— Thank you, but _________I’ll have time I’m not sure at the moment

We hope you _______ a happy holiday in HongKong.

Miss Guo asked John if he could solve the problem by_______.