__ill yesterday,he didn't attend the meeting.

问题描述:

__ill yesterday,he didn't attend the meeting.
A To be B Being C Been D Be
这个该如何选呢?到底不定式做主语和分词作主语有什么区别?

B Being
不是主语而是状语.
不定式作状语,多为表目的.此处分词做状语,表示原因.