下列各句中，没有语病的一句是

He had to retire(????) early ______ poorhealth.

I’ll leave for Beijing this afternoon to see the opening ceremony of the 29th Olympic Games. —–If you______ tomorrow, I would go with you.

(2009湖南娄底重点高中联考) students are required to take part in the boat race．

Doyou like your new teacher —Ofcourse. She is friendly ________ us.