Граматичні часи (закріплюємо знання)

When the light ... I was sitting in the armchair reading a book.

 I thought I ... this film before, but I hadn't.

Why haven't you brought me the letters for signature? ... them yet?

She wasn't sure whether she ... the door of her flat.

I... my homework all morning and haven't finished it yet.

The inspector suspected that the thief ... a special key for opening this door.

I was very tired. When I ... to bed, I fell asleep immediately.

The Vikings ... to North America a thousand years ago.

Thank you for your offer, but I ... not to accept it.

You ... through your old photograph album for half an hour already.

 Nobody knows where his picture is. Perhaps, it ... .

 I agree. You ... apologize for not inviting him to your birthday party.