The discovery of the new drug is of great ____ to people who suffer from heart problems.
There was an accident at the corner. ________, the girl wasn’t _________hurt.
You must keep your eyes _________ when you do eye exercises.
Five days has passed , but I haven’t finished half of the work. ________,
Don’t worry, sir. I’m sure I can run _________ to catch up with them.
The text is very easy for you. There are ________ new words in it.