My dad's company used to provide rental accommodations for its employees. Usually the accommodations were in        buildings and we were on Level 4.
For two years,my dad had been trying his application for a        level house to make the      much easier for my mom who had        complications (并发症）after her second operation. She was advised to have outdoor        but going up the stairs every day was        for her. As luck would have it, my dad's ground level application was      . Hearing the good news Mum and Dad were extremely        to move into the ground level accommodation in a separate building.
Without wasting time, they did the big        the following Saturday and Mum's    45    was removed. The following Monday, when my dad was about to enter the house, he saw an old lady and her old husband        to bring a wheelchair down the stairs. He was        and moved. When he ran quickly to48 them，the old lady said,"Don't worry,son. We are used to it now. We have been doing the same thing for our        daughter during the past 15years. ” Her kind and yet sad words        my dad in the heart.
The following Saturday,my mum and dad      the apartment with the old couple and they were back to Level 4 in their previous building.
My father was dead for twenty years，       it is still in my memory that every time the old couple        my dad and me anywhere, they would just look at us with          in their tearful eyes and say to me,"You have an angel for a father!”and it brought tears of        to my eyes every time.

A．commercial B．multi-level C．three-storey D．historic

A．ground B．top C．fourth D．higher

A．work B．treatment C．climb D．visit

A．cured B．lessened C．suffered D．treated.

A．practice B．education C．training D．exercise

A．confusing B．different C．exciting D．difficult

A．approved B．delayed C．rejected D．developed

A．serious B．eager C．proud D．curious

A．job B．offer C．return D．move

A．anxiety B．excitement C．happiness D．illness

A．stopping B．waiting C．learning D．struggling

A．satisfied B．shocked C．interested D．encouraged

A．inform B．greet C．help D．serve

A．disabled B．intelligent C．lucky D．careless

A．inspired B．struck C．broke D．disappointed

A．sold B．shared C．compared D．exchanged

A．since B．for C．but D．so

A．described B．met C．reminded D．praised

A．appreciation B．sadness C．regret D．envy

A．sorrow B．admiration C．pride D．guilt