题目内容：

John and Mary had a nice home and two lovely children，a boy and a girl. John had a good ____ and had just been asked to go on a business trip to another city and it was ____ that Mary needed an outing and would go along too. They ____ a reliable woman to care for the children and made the ___，returning home a little earlier than they had planned.

____ they drove into their hometown，they found a home in flames. Mary said，“Oh well，it isn't our fire；let's go home.”

____ John drove closer and exclaimed，“That home belongs to Fred Jones who works at the plant. He wouldn't be ____ work yet. Maybe there is something we could do.”

John drove up and stopped and they were both ____ to see the whole house in flames. A woman on the lawn was in hysterics ____，“The children！Get the children！They are in the basement.”

____ Mary's protests，John grabbed the water hose and soaked（浸湿）his clothes，put his wet handkerchief on his head and ____ for the basement which was full of ____.He found two nearly suffocated（窒息的）children and after carrying them to safety，he asked how many more children were ____ there. They told him two more and Mary ____ his arm and screamed，“John！Don't go back！It's ____！That house will cave in any second！”

But he shook her off and went back by ____ his way down the smoke-filled hallway and into the room. It ____ a long time before he found both children and started back and at last when they came out into the ____ and fresh air，he found that he had just ____ his own children.

It turned out that the baby­sitter had ____ them at this home while she did some shopping.

1.A．job          B．family        C．wife            D．boss

2.A．known       B．believed       C．decided         D．hoped

3.A．asked        B．hired          C．intended        D．reminded

4.A．preparations   B．promise       C．decision         D．trip

5.A．Before       B．As            C．Once           D．Since

6.A．And         B．So            C．Now           D．But

7.A．off          B．on             C．out of          D．at

8.A.heart­broken  B.conscience­stricken C．horror­stricken  D．poverty­stricken

9.A．coughing     B．screaming      C．whispering      D．laughing

10.A．Apart from   B．In case of      C．Instead of       D．In spite of

11.A．reached      B．searched       C．dashed         D．sent

12.A．smoke       B．darkness       C．children        D．danger

13.A．up          B．away          C．out            D．down

14.A．pulled       B．took           C．grabbed        D．held

15.A．dangerous    B．useless        C．over           D．stupid

16.A．pushing      B．feeling        C．jumping        D．moving

17.A．meant       B．spared         C．spent          D．seemed

18.A．shade       B．sunlight        C．shadow        D．crowd

19.A．helped      B．found          C．recognized      D．rescued

20.A．left         B．charged        C．removed       D．forgotten