—Have you finished your work yet?—No, I’ll finish it in ________ fifteen minutes.
Flight 19 from New York to Washington is now arriving at ____.
If no one ___ the phone at home, ring me at work.
It was difficult to guess what her _____ to the news would be.
_____ the English examination I would have gone to the concert last Sunday.
Your help is _____ for the success of the project.