单选题 I couldn't go to the meeting because I had to______my brother after his accident. 
【正确答案】 B
【答案解析】句意:我不能去参加会议，因为我不得不在我哥哥出事后照顾他。take after 意为“效仿，长得像”，look after 意为“照顾”,look over 意为“仔细检查”， take over 意为“接管”,故选 B。