高二英语期中考试试卷:but,usually one

but,usually one I usually ( )two music classes a week .But last week we () one but usually just end up doing chores 倒数第二个怎么说，last but one ?but two? What has four legs,but one foot? i knew jim,but not famous one i knew----- jim,but not-------- famous one i knew jim,but not famous one 找歌，i have but one heart Helen's eyes were not very good.so she usually wore glasses.But when