Put the verbs in brackets into the correct tense forms.
1 I see you're reading The Da Vinci Code. How long ... it? (read)
2 I see you're reading The Da Vinci Code. How much of it... ? (read)
3 We said 'enough is enough' and stopped working. We ... what we could. (do)
4 We said 'enough is enough' and stopped working. We ... all day. (work)
5 They're on holiday. When their holiday is over, they ... for two weeks and ... six different countries, (travel, visit)