Look! The trailwalkers are walking with bodies. The walk must be very.A. tired; tiredB. t

问题补充：

Look! The trailwalkers are walking with bodies. The walk must be very.

A. tired; tired

B. tired; tiring

C. tiring; tired

D. tiring; tiring

答案：

A. tired; tired

(答案→)B. tired; tiring

C. tiring; tired

D. tiring; tiring

解析：考查形容词的用法。句意“看！那些毅行者在拖着疲惫的身体行走。那行走一定很累人。”修饰人用以ed结尾的形容词；修饰物用以ing结尾的形容词。第一空修饰人，第二空修饰物walk。故选B。