As the forests get smaller and other human activities cause more problems, pandas cannot find enough to eat and they are having fewer babies.老师好,这句话中,to eat 作什么成分?作目的状语?还是作定语修饰enough?
---Did Mary come?---I don’t know. She ________ while I was out.A. might come B. might have come C. could come D. must have come老师,题目答案B,但是这题选 AC的话不能表达对过去的推测吗?是因为I don’t know的时态吗?