是it'stime to school还是it'stime to go to sahool

Question

英语考试中有这样一道题，请大家帮帮忙，我不知道我作对没，谢谢

Answer 1

It's time to go to school.
=
It's time for school.

没有It's time to school.

Answer 2

it's time for school
或it'stime to go to school
都可以

Answer 3

It's time to go to school.

it's time for sth
it's time to do sth

Answer 4

是it's time to go to school

Answer 5

it'stime to school一般用于口语
另一种用于书面语

Answer 6

It's time to go to school.
go to school是一个词组。要记下来