____students actively participated in the discussion, which annoyed the teacher because it showed that ____ of them hadn't prepared sufficiently.

I'd rather our flat _______ so far from where I work, then I _______ so much time travelling every day.

On international airlines, there are always ____ a pilot and a co-pilot and each knows the other's job, so, in the event that ____ falls ill during the flight, the other is qualified to land the plane safely.

I now wish I .............. all of that money and saved some for the future.

I wish he _______ me know about his visit a few days earlier, so I _______ some arrangements at work.

Certain serious diseases can be successfully treated -------- detected in an initial stage.

I’m sorry I’m late. You _____ waiting for a long time.

_____ had I got out of the bank ______ I saw the thieves running through the tunnel.

Oh, how I wish I .............. with you last night!

The police found ____ counterfeit money as well as guns at the gang's headquarters.

We ................. no problems whatsoever with the dam since it ................. forty years ago.

It _____ our dog which barked continuously all night since it was sleeping inside with us.

It seems likely that by the end of the week, the costs involved in the construction of the bridge ................. by the Ministry.