Suppose that you are listening to a lecture. You heard that “In the previous lecture, we have talked about how mammals giving birth to babies. Today, we are going to discuss …” What functions do these sentences have?
A、Term explanation and outline of the content. ;
B、Review of the previous lecture and topic today.;
C、/;
D、/
发布时间：2025-09-03 04:43:23
