What are the problems with fossil fuels?

She just has gone out

She left the room a moment ago

Close the window, please.  All the papers have fallen down on the floor because of the wind

When did you open the window? — I opened it ten minutes ago

I saw you walking down the street the other day with a heavy bag

He made home video a lot last summer.

I have translated the article: now I shall have a little rest

We went to the country yesterday, but the rain made us to stay inside the whole evening

It was very cold two days ago

When did  you meet him?

We met  for a picnic rather often last summer

Have you already sent an e-mail message to her?

Where did you spend time last Saturday?

Their friends swam so often last summer

We have taken hikes this summer

Where have you put the newspaper? I want to read it but cannot find it anywhere

At last he has written a composition so we can go for a walk

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