—The problem is very difficult. I'm afraid you can't work it out now. — I fail this time, I will try it again.
The victim’s parents have received thousands of messages of sympathy, which is comfort to them.
---I think you’d better type this letter again before Mr. Smith sees it. --- Oh, dear!
Not until he called the secretary three times _________ that the manager went to an important meeting.
---We’d better hurry or we’ll be late.---_____ Do you really want to listen to the boring lecture?
In many countries packets of cigarettes come with a government health warning ________ to them.