___ twice, the postman refused to deliver our letters unless we chained our dog.
—Dick has a bad cough because of smoking. —Why doesn’t he ?
it is to jump into a pool or go swimming in a river in summer!
Mobile phones have made possible for us to reach out to the farthest corners of the world from our homes.
-Do you have sweet tooth? -Yes, but I’m on diet now.
.—Shall we have red wine or white? —Either is OK.