Choose the correct option.

4 The professor has answered / been answering more than 100 questions about the Louvre.

5 John has known / been knowing Cynthia since primary school.

3 We have travelled / been travelling for a couple of weeks now.

8 Have you written / been writing your essay all morning?

6 I’ve seen / been seeing most of his paintings.

9 How many art galleries has Dan been visiting / visited today?

2 How many paintings have you sold / been selling?

10 How long have you had / been having this painting by van Gogh?

1 I’ve looked / been looking for you for an hour!

7 How long have you waited / been waiting ?