Mixed

My classes ___ (to begin) at 8 o'clock yesterday.

Marta ___ (to have) a bad accident when she ___ (to ski) down a mountain in the Urals.

As soon as the accident ___ (to occur), I ___ (to call) the mountain rescue service.

At 8 o'clock yesterday evening he ___ (to read) an interesting story.

I saw Adel at the party. She ____ (wear) a really beautiful dress.

It’s dangerous ___ (to turn) the lights on if you can smell gas.

The doctor advised me ___ (to lose) some weight.

He can’t stand ___ (to see) people suffer.

He'd prefer ___ (to live) alone.

Dan enjoys ___ (to read) science fiction.