__________ a terrible storm would attack the old town.
---What do you think of Jack?---He is not a bad boy. ______, he’s a pretty good one.
_____ a mobile phone can you ring____ you want to talk with anywhere.
---Was it midnight_____ the heartbreaking news came_____ he passed away?---I am afraid so.
His timely warning was_____ help us avoid being cheated.
We were on the point of discussing financial investment_____ the telephone rang unexpectedly.