Are your parents at home now -No. _______ of them are on holiday.

It was not until dark __________ he found __________he thought was the correct way to solve the problem．

There was such a long queue for coffee at the interval that we ________ gave up[ ]

It’s ____ world of wonders , _____world where anything can happen .

The question that puzzles them is ___they can finish the work on time.