Look,Kate __football with her friends.a,is playing b,are playing c,is play d,plays 并做注解

问题描述:

Look,Kate __football with her friends.a,is playing b,are playing c,is play d,plays 并做注解

A
with 表示伴随主语,所以谓语动词的单复数根据Kate来定,因此应该用单数.
look,看!说明是正在进行的动作.