I'm learning / learn a lot today.哪个时态正确?为什么?

I'm learning / learn a lot today.哪个时态正确?为什么? i'm learning / learn a lot today 应该选哪个 这个是什么时态 I'm learning /learn a lot today.这个句子到底用一般现在时还是现在进行时? 高一课本有一句：I'm learning a lot today.为什么用进行时? I can learn a lot about Chinese history.为什么要用a lot而不是lots of 英语翻译帮我看一下哪个对.1.I learned a lot from you.2.I learn a lot from I will learn English 和I will have a learn English 哪个句子正确 Sorry I'm late.I had ___ work today. A.a few B.a lot C.a lot I want to learn.还是I want to learning,为什么? I've___(learn) a lot that way.(用所给单词正确形式填 空 I have a lot to learn I still have a lot to learn.