2、hardontheirmachines.答案: tobeworking3.Inmyopinion,________(form)goodhabitstolearnEnglishisveryimportantandnecessary.答案: forming4.Itisapleasuretomakefriendsbothwithintelligentpeopleand________(humour)people.答案: humourous5.Hangzhouisconsideredtobeoneofthemost________(attract)placesinChina.答案: att