Alotofpeoplelikekeepingpets.Themostcommonpetsthat71
问题详情：Alotofpeoplelikekeepingpets.Themostcommonpetsthat71________(keep)throughouttheworldarecatsanddogs.Thefollowingarethemajoradvantagesofkeepingpets.Petslikedogsrequireregularwalkingandexercisefor...