Researchers have found clear and convincing evidence ________ happiness is the key to better health and longer lives.
—Will this pair of trousers ________ when washed?—I'm not sure. I am wearing it for the first time.
If we make ________ best of this new equipment, there will be ________ rise in our production this year.
After the war, a lot of serious problems ________ and the price of food ________ by 20%.
If we ________ the other road, we might have arrived here in time for the meeting.
—Sorry, I got a bad cold yesterday.—Every time you are absent, you ________ an excuse.