Алена Полукеева

I've been waiting here for an hour

I was waiting there about a hour

He didn't notice what was happening around

The whole month

she was sitting on the porch with the letter in her hands

She has sat on the porch for long with a letter in her arms.

To sit by the window

to seat near the window

yesterday he was busy all the evening

To pass the exams

To sit an exam (UK), to take an exam (US)

to pass the exam

On that day

on that day