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Like many young people, Jessica wants to travel the globe. Unlike most of them, this 25-year-old is doing it _________. She and her husband have spent the last two years traveling the world, stopping everywhere from Paris to Singapore. It might sound like one long, expensive _________, but the couple has an unusual way to make their travel _________.

They’re part of a new form of the _________ economy (经济): an online group of house sitters.

Throughout their no-cost stays in _________ homes, they feed pets and water plants in the homeowner’s _________.

It’s not all sightseeing. The two travellers carefully _________ their trips, scheduling their days around the pets that are sometimes difficult to _________. But house sitting also offers a level of _________ they can’t find in a hotel. “It’s like __________ at a friend’s house,” Jessica says.

The couple has a high __________ rate in getting accepted as house sitters and they always go beyond the homeowner’s __________. For Jessica, that means __________ plenty of pictures of happy pets, keeping the house __________ and leaving a nice small gift before heading to the next house. “You want to make the homeowner feel that they made the right, __________” she says.