下列各项中，标点符号的使用不符合规范的一项是

_________ for the free tickets, I would not have gone to the films so often.

Can you guess if they _______ to playbasketball with us— I think they’ll come if they _________free.

I hope you will study hard and master as much knowledge as possible; otherwise you will have to live a hard life_______.

Have you seen your aunt lately? —Yes, in fact I saw her yesterday．I_________ her for several months