Read the following excerpt about a crime against animal life. Pay attention to the regular past verbs in bold. Illegal ivory business [...]...

Read the following excerpt about a crime against animal life. Pay attention to the regular past verbs in bold. Illegal ivory business [...] Scientists did DNA tests on more than 4,000 tusks that police seized in ports. The tests showed that some of the animals belonged to the same family. It helped police know where some of the killings took place [...]. Number these verbs from 1 to 3 according to their -ed pronunciation, as follows: 1 /id/ 2 /t/ 3 /d/ ( ) seized ( ) showed ( ) belonged ( ) helped The sequence obtained is, respectively: 3 – 3 – 1 – 1. 3 – 3 – 3 – 2. 3 – 2 – 1 – 2. 1 – 3 – 3 – 2. 1 – 3 – 3 – 3.