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

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

It probably ............... if you'd been more careful.

It's high time we all .............. home now.

I suppose they won't come in time for the lunch, ____?

My mother is making a recovery from flu and ------- hospital by next week.

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

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.

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

Tomorrow, instead of going to Madrid with my boss, I am going to London, ____? So, is everything arranged properly there?

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

Neither of the workers was happy with the new law, ____?