The accident was my fault, so I had to pay for the damage ________ the other car.
—Do you think it’s going to rain over the weekend? —______. We’re planning to go on a picnic.
So although Fleming discovered penicillin, it was over a decade ___________someone else turned penicillin into the great drug of the 20th century.
Hardly __________ the Shanghai Expo _________ we realized we forgot our ID cards in the room.
________in the heart of Toronto is the Canadian National Tower , which is often called the CN Tower for short.
. Emergency line operators must always ________calm and make sure that they get all the information they need to send help.