Is he studying French these days?

问题描述:

Is he studying French these days?
Is he studying French these days?
No.He is learning the piano.
为什么用现在进行时,从哪里判断,

因为是在说"他最近正在..."正在的话当然是现在进行时阿
从is...studying就可以看出,be动词加上动词ing