3 9.6.13.1 Fill in the gaps with the corret
past modal: didn't have to, could, wers
able to, had to.
1 A: Did you go shopping after school yeste day?
B: No, I
do my home ork.
2 A: I booked them a taxi to the airport
B: You
do that. They could have taken the train.
3 A: Did it take a long time to travel the
length of the Silk Road in ancient times?
B: Yes. Camels
... travel up to
40 miles a day, but the Silk Road was
7,000 miles long!
4 A: How was your walk up Kok Tobe Hill?
B: Great! The weather was wonderful and we
see the whole of Almaty.
