It is nice to hear from a close friend. ________, we last met more than thirty years ago.
Don't respond to any e-mails __________ personal information, no matter how official they look.
-Oh, Mum, just a few minutes.-Hurry up, Harry. Or by the time you pack your belongings, the flight __________!
__________ I see him, he looks sad.
By the time you have finished this book, your meal __________ cold.
-Do you think that housing price will keep __________ in the years to come?-Sorry, I have no idea.