求大神帮忙答几道英语选择!在线等!

求大神帮忙答几道英语选择!在线等!The _______between the radiator and pipe has become loose.选择一项：connectiontransformationrelationrevolutionJane’s _______for gardening is evidence by all of thesebeautiful flowers.选择一项：achievementfamiliarityenthusiasmacquaintance_______his mental trouble, he wasn’t allowed to go.选择一项：In account ofOn account ofWith an account ofFor account ofHisfriendlyapproachgavemenowarning_______something wrong.选择一项：withforoftoI think the _______thing to do is to phone and ask fordirection before you go.选择一项：sensitivesensationalsensiblesensory