_________ the lecturer more clearly, I arrived early and chose a front seat.

Was it in 1997______he was still at middleschool_______ this boy became an expert at computer

difficult to tell exactly _______ the sayingbegan, but it is possible that it was in the theatre or movie industry

urn to the problem of water pollution, I’d like you to look at a study _________ inAustralia in 2012.

Would you please speak more slowly ？I can hardly ______you.