97.To the sea captain's surprise,he found that ___ travel could also be quite pleasant.

A.earth B.land C.ground D.plain

98.We'll have PE this afternoon but I forgot to bring my ____.

A.sports clothes

B.sport clothes

C.clothes of sports

D.sport's clothes

97.答案是B，

land travel,陆路旅行。

98.答案是A，

sport作定语时常用复数。