It is known to us __________ it was not until 1938 ________ the first colour TV programme began to be broadcast in the world.
This party is _____ a success _____ the famous actress's absence.
------ I'm sorry to interrupt you, Sir.May I ask you a favor?------ yes, _____.
------ Have you seen the film The Silent War? It's said to be _____ great fun. ------No, I have been busy repairing all the broken office_____ these days.
__________ everything a shot because you never know what is going to change your life.
Being exposed to loud music too much ________ caused hearing loss in some teenagers.