The old couple often take a walk after supper in the park with their pet dog them.Ato f

问题补充：

The old couple often take a walk after supper in the park with their pet dog them.

Ato follow

Bfollowing

Cfollowed

Dfollows

答案：

A. to follow

(答案→)B. following

C. followed

D. follows

解析：with的宾语后面可加形容词、副词、分词、不定式、名词等作宾补，这儿pet dog与follow构成主谓关系，所以用following.

【考点】非谓语动词