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