Question

it's on hpirl 1根据答语写问句

Answer 1

it's on hpirl 1

根据答语写问句

是：it's on Apirl 1 吧。

问句应该是:

When is the time？

合起来是：

When is the time？是在什么时间？

it's on Apirl 1。在4月1号。