1 Complete the sentences with had to or didn't have to and the verbs in brackets. Last year ...

1. They had to pack (pack) the right clothes and equipment. 2. They took a train to the airport so they had to go (go) by taxi. 3. In the Amazon, they had to travel (travel) by canoe because there weren't any roads. 4. They knew the area well, so they didn't have to take (take) a guide with them. 5. They had to sleep (sleep) in tents. They slept in a cabin - a small, wooden house. 6. They had to lock (lock) the door of the cabin at night because the jungle is a scary place!