42. --- We really enjoyed ourselves at the party. Thanks again, Mr. and Mrs. Smith.

--- ________. Just drop in whenever you feel like it.

44. He must be getting thin, for his trousers _____ badly like a flag in the wind.

46. --- When shall we go camping again?

--- You _______ the day. Any day is OK with me.

47. Three hundred firemen raced to the hotel after a smoke detector ______ the alarm soon after midnight.

48. Don’t respond to any emails _______ personal information, no matter how official they look.

50. Is there a gas station around _____ I can get some petrol?

52. ______ killing of so many protected animals made _______ stir in the local people.

53. She let herself get into a _____ before the examination began.

54. She got _____ job in Manilia Manufacturing Company and gets paid by _____ hour.

55. There have been many changes in _____ history of _____ English language.