1 heard ____ the book long ago, but I have never read it.
The discovery of the new drug is of great ____ to people who suffer from heart problems.
In the job interviews job applicants often find themselves asked unexpected questions, some very difficult ____.
Have you bought the same book ________ I referred to yesterday?
_____ to drive after drinking, some drivers are still trying their luck, which is dangerous.
— That must have been a long trip. — Yeah, it _____ us a whole week to get there.