The __________ is just around the corner and you won't miss it.

To their great ___, they got the bad news that their English teacher had been in hospital for quite a few days.

I saw Mary dancing at the party and on such ______ she was really excellent. 

. You must be there within an hour. There should be no _______ in sending the information. 

It’s important for us to use a word or phrase according to the            in language studies.