I feel so tired after a long walkYou had better have a .A. talkB. restC. swimD.

问题补充：

--- I feel so tired after a long walk.

--- You had better have a .

A. talk

B. rest

C. swim

D. look

答案：

A. talk

(答案→)B. rest

C. swim

D. look

解析：词义辨析. Talk谈话;rest 休息;swim 游泳;look看.根据上文的内容,在长途步行后,我感觉如此的累.可知答案为B，表示休息的意思。