Mymotherisout,soIhaveto     myyoungsisterathome.A.looka...

問題詳情：

My mother is out, so I have to      my young sister at home.

A. look at             B. look after        C. look for               D. look over

【回答】

B

知識點：相似 相近詞比較

題型：選擇題