Bonjour
a-I hate big cities, but Mark loves them.
b- We spend a lot of time on the Internet.
c- He often travels abroad and meets different people.
d- They have many hobbies.
sujet (3e pers. du singulier) + verb + s
exemples
dans le a- > Mark loves // c-> he often travels and meets
sujet (autres personnes) + verb
a-> I hate // b-> we spend // d -> they have
bonne soirée :)