高一必修一英语书后练习中有I am leaning a lot today.为什么不是I learn a lot tod

高一课本有一句：I'm learning a lot today.为什么用进行时? I'm learning / learn a lot today.哪个时态正确?为什么? I learn a lot from…80字英语作文 I can learn a lot about Chinese history.为什么要用a lot而不是lots of I have a lot to learn I still have a lot to learn. i learn a lot about chinese history中a lot等于much和many things i have got a lot more to learn中a lot和more是什么词性 高一英语必修一书后练习答案? I am an art student and I paint a lot of pictures中为什么paint 用 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? i'm learning / learn a lot today 应该选哪个 这个是什么时态