问答题 Complete these sentences with some or any.
1. A: Is there {{U}} {{U}} {{/U}} {{/U}}paper in the photocopier?
B: No, there isn't {{U}} {{U}} {{/U}} {{/U}}.
2. We need {{U}} {{U}} {{/U}} {{/U}}pens and pencils, and we don't have {{U}} {{U}} {{/U}} {{/U}}scissors.
3. A: I'm going to Paris tomorrow, but there aren't {{U}} {{U}} {{/U}} {{/U}}seats available on the train.
B: You should try the airlines. They might have {{U}} {{U}} {{/U}} {{/U}}seats.
A: Are there {{U}} {{U}} {{/U}} {{/U}}clients I should visit in Paris while I'm there?
B: There are {{U}} {{U}} {{/U}} {{/U}}, but they are located quite far from the centre.