In this why is Option 1 wrong and Option 3 corrected In option 1 also preposition of time is - English - Prepositions

Question

In this why is Option 1 wrong and Option 3 corrected? In option 1
also preposition of time is there at ten

Roshini Anie Thomas · Accepted Answer

Dear Student

Sentence (1) is the preposition of time

I usually go to bed at ten

Regards

In this why is Option 1 wrong and Option 3 corrected? In option 1 also preposition of time is there. at ten.