—Sorry to hurt you.—_______. You didn’t mean to, did you?
The professor told me to start the research right now, ________ I was sure to fall behind.
________ a man's age, he can reduce it several years by wearing a confident smile.
After a year, doctors diagnosed him with a disease so rare ________ it affects just one in 8 million children.
________ you need something, please don't hesitate to let me know.
One more week, ________ we will accomplish the task better.