Question

—When  are  you  leaving?

—I'm  leaving_______

1. A.
   in next week
2. B.
   last week
3. C.
   on the 12th
4. D.
   in Sunday morning

Answer 1

C
in加时间段可用于一般将来时，但A选项中next week本身就是一个未来的时间；B选项last week用在将来时中，D选项中具体的某一上午，用介词on;C选项正确