7、ngherhomework.A:WhatwasTom doing at thetimeoftherainstorm?B:He was reading。A:WhatwasMary’s mother doingatthetimeoftherainstorm?B:Shewaswaitingforthebusatthebusstop.A:Whatweretheydoingatthetimeoftherainstorm?B:Theywerewalkinghomeonthestreet.A:Whatweretheydoingatthe