One day, a boy and his little sister were sitting by a lake near their house when a bear appeared. There was 51 place for them to get away. The children had to step back to the    52   . They kept backing and the bear kept    53    at them.

As the two children were already wearing   54  the  boy told his      55     to jump into the lake.   But the bear

56     them into the lake and caught the girl by the life-jacket.  The boy turned back and tried to pull his sister away from the bear.

But that didn't work.  Then the boy tried growling   57     at the  bear. 58   by this*the bear let the girl go. The children scrambled ashore(上岸)and ran up to the house with the bear    59   them.

The children tried to get    60  the house through the front door but it was 61   With the bear right behind them, they ran   62    the house.  Each time it got too  63  ,   the boy. stopped and growled,  and each time the bear stopped coming at them, allowing the children to   64  .   Finally they succeeded in ente­ring by the back door.

They 65 the police station. Two policemen came and drove the bear away.

49.  - May I use your dictionary, Mary?

A. No, go ahead        B. Yes, help yourself

C. Of course not        D. It doesn't matter

48.  - I am sorry to tell you that you shouldn't smoke here.   Please look at the sign.

-  Oh. I am sorry. I        it.

A. don' t notice       B. didn't notice       C. will notice   D. haven' t notice

46.  - What is the main cause of the accident?

-  Driving________.

A. carefully       B. careful          C. careless        D. carelessly

47-         when the light went out last night?

A. What were you doing            B. What have you done

C. What did you do                D. How were you doing

45.  What's wrong with the orange? It_______   terrible.

A. is tasting      B. is tasted       C. tastes           D. tasted

44.  - Mom, I'm going out with my classmates tonight.

-  OK.  But you'd better________ back too late.

A. don't come            B. not to come       C. not coming       D. not come

43.  - Hi, Betty.  Shall we go swimming this Sunday?

-  This Sunday? I am sorry.  I have a lot of homework _______ this Sunday.

A. to do            B. done             C. do        D. to be done

42.  This is not my watch.  Do you know_____       it is?

A. what             B. which           C. who             D. whose

41.  - What do you think of Zhou Jielun?

-  Oh, he is my favourite singer.   I think no one can sing________.

A. good             B. well              C. better           D. best