She will be back in half an hour

she -------(be)back in half an hour lucy went out an hour ago.she will be back in half an hour. They will be back ____.A.for half an hour they will go back () A after half an hour B in half an hour He said“she will be back in an hour"变成间接引语怎么变? I will be back in ___ A.half a hour B.a hour C.a hour and ha an at she home will be in hour his mother will come back ( ------)half an hour HEe will come back after half an hour哪错暸喒改正 He will be here in half an hour.为什么will后用b 改错:she rans half a mile in half an hour. The teacher you are waiting will be free in half an hour英语高手