She ... for you for half an hour. 

Я працюю протягом години.

We had to cancel the concert because it ...

... he had a bad leg, he still won the game.

We didn’t like the hotel. ... , we had a good time.

 I passed the exam, ... I hadn’t studied.

We worked hard all morning, ... I am very tired now. 

I didn’t call you ... I didn’t want to worry you.

Bob ... for me for two hours yesterday.

Which song ... you ... when I came in?