Question

We rushed to school thinking that the test was going to start at nine'o clock.________, it was not supposed to start until ten'o clock.


Besides
However
and
Further

Answer 1

The best word to fill in the blank is "However."

The completed sentence would read:

"We rushed to school thinking that the test was going to start at nine o'clock. However, it was not supposed to start until ten o'clock."

This choice indicates a contrast between the expectation and the reality.