—Thanksforyourinvitation，butI’msosorryIcan’tgo.—Ineedto...

问题详情：

—Thanks for your invitation，but I’m so sorry I can’t go.

—I need to        my sister at home.

A. take after                         B. take off                     C. take care of

【回答】

C

知识点：动词和动词短语

题型：选择题