They ? a new lesson at two yesterday afternoon.1. learn2. learned3. were learning 4. are learning为什么？
热心网友
They ? a new lesson at two yesterday afternoon.他们昨天下午两点的时候正在学习新课文。。正在做什么什么应该用be+doing而昨天应该用过去式所以3. were learning
热心网友
因为at two yesterday afternoon.是一个很具体的时间，通常出现这样的具体时间，应该用进行时。所以were learning。