—Why should I correct it right now, Mum? It’s OK, I think. — Well, Honey, it will _______ trouble in the future.
There was a terrible noise _______ the sudden burst of light.
The sentence needs _______ once more.
The computer centre, _______ last year, is very popular among the students in this school.
Rather than _______ on a crowded bus, he always prefers _______ a bicycle.
_______a reply, he decided to write again.