It isn't quite __________ whether the teacher will collect the homework by Friday, so you needn't hurry.
Our club is open to everyone ____ age, sex or educational background.
In some countries, people eat with chopsticks, while in, knives and forks.
The film star wears sunglasses. Therefore, he can go shopping without ______..
We __________ back in the hotel now if you didn’t lose the map.
Some people believehas happened before or is happening now will repeat itself in the future.