what's she doing for vacation -----she _____(look) after her little sister.

问题描述:

what's she doing for vacation -----she _____(look) after her little sister.

is looking 用现在进行时体现将来时

what's she doing for vacation是将来时,回答也应用将来时,在这里,这三种都可以:
1. is looking
2. will look
3. is going to look

is looking

应该是 will look