Progress Test 1. Vocab. D. Complete sentences using these words: abrupt, alternate, ambiguous, colloquial, ingenious, provisional, simultaneous, timely. There is one word you will not need to use.

My flying lessons came to a/an ... halt when the flying school closed down.

abrupt

What you've written here is a bit ... and your position isn't really clear.

ambiguous

You might hear native speakers saying 'ain't' in ... speech.

colloquial

I've just bought myself a/an ... device that turns any mobiles into a metal detector.

ingenious

We've made a/an ... decision, but you'll know our final decision at the end of the week.

provisional

The film was the first to have a/an ... launch in the US, Europe and Japan.

simultaneous

Only the ... intervention of the managing director prevented a costly mistake.

timely