先通读下面短文，掌握大意，然后从下面四个答案中选择可能填入相应空白处的最佳答案。

An old friend from the U. S. whom I was looking forward to staying with,　 telephoned from the airport to tell me that he had arrived. I was still at the (41) at that time,　 but I had got everything ready for his arrival. After letting him know where my house was,　 I told him that I had left the (42) under the door-mat (门垫). (43) I was likely to be home rather late,　 I told him to go into the　　　 (44)　 and help himself to food and drink.

Two hours later my friend (45) me from the house. At the moment,　 he said,　 he was listening to some of my records after having just had a truly wonderful (46) . He had found a cooker and (47) two eggs and had helped himself to some cold chicken from the ice box. Now,　 he said,　 he was drinking a glass of orange juice and he hoped I would (48) him. When I asked him if he had reached the house without difficulty,　 he an­swered,　 "I was not able to find the key,　 .(49) luckily the living-room windows just by the apple tree were left open and you know what I could do. "

I listened to all this in (50) . In front of my living-room there was no apple tree at all.

41. A.　 living-room　　　 B.　 office　　　　 　　C.　 airport　　　 D.　 house

42. A.　 address　　　　 　B. 　telephone number C.　 key　　　 　D. travelling plan

43. A.　 As　　　　　 　　B.　 When　　　　　　 C.　 If　　　　　 D.　 Though

44. A.　 store　　 　　　B.　 restaurant　　　　 C.　 fridge　　　 D.kitchen

45. A.　 invited　　　　 B,　　 asked　　　 　　C.　 answered　　　 D.　 telephoned

46. A.　 meal　　　　　 B.　 rest　　　　　 　C.　 time　　　　 D.　 picnic

47. A.　 got　　　　 　　B.　 broke　　　　　　 C.　 fried　　　　 D.　 bought

48. A.　 visit　　　　　 B. join　　　　　 　　C. thank　　　　 　D.　 remember

49. A.　 but　　　　 　　B.　 so　　　　　　 　C.　 or　　　　　 D.　 and

50. A.　 interest　　　 B.　 anger　　　 　　　C.　 surprise　 　　D.　 excitement

40. Mrs Shute wouldn't leave the TV set,　 ________her children were waiting for their supper.

A.　 if　　　　　 B.　 because　　　　　 C.　 even though　　　 D.　 as soon as

39. - Can you take sure________?

-Sorry,　 I can't.　 But I did see her just now.

A.　 where did she go　　　　　 　　　B.　 where she had gone

C.　 where she has gone　　　　　　 D.　 where will she go

38.　 A neighbour helped to keep our dog.　 It________while we were on holiday.

A.　 was taken care　　　　 B.　 took care of

C.　 is taken care of　　　　 D.　 was taken care of

37. This is________that all of us believe it's very important.

A.　 such useful information　　　　　 B. so useful an information

C.　 so useful informations　　　　　 D.　 such a useful information

36.　 Mr Green,　 there is someone at the front desk________would like to speak with you.

A.　 he　　　　　　 B.　 who　　　　　 C.　 which　　　 　　　D.　 whom

35. - Do you like western food?

-　 No.　 The food of our country is________that of western countries,

A.　 rather good than　　　　　 　B.　 much better than

C.　 more better than　　　　　　 D.　 not so good as

34. - Oh,　 these presents are so nice.

-　 The CD is from Betty and the books are from________.

A.　 I and Helen　　　　　　　 　B.　 Helen and me

C.　 Helen's and mine　　　　　 D.　 Helen and I

33. All the children like Mr White very much because he often makes them________.

A.　 laughed　　　　　 B.　 laugh　　　 C,　　 laughing　　　 D.　 to laugh

32. What about Sally? She's done her best these days, ________?

A.　 hasn't she　　　　　 B.　 isn't Sally　 C.　 hasn't Sally　　　　 D.　 isn't she