It's only( )by bus.A half an hours' B half an hour's C half

It's only( )by bus.A half an hours' B half an hour's C half it's half an hour The school is _____ A.half an hour B.half an hour's it usually______her half an hour to go home by bus. He was here().A.half an hour before B.half hour ago C.half a It only t___about half an hour by bus.一道完形 they walked for.A,an hour B.half a hour C,half an hour 选哪个 It’s half an hour's walk from here to the bus station --Don’ half an hour or a half hour? a half hour还是half an hour? it is half an hour's walk from here to the bus station Don't in half an hour's time