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

問題詳情：

—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

知識點：動詞和動詞短語

題型：選擇題