42. Shall we go to Ha Long Bay this weekend?

            How about     going to Ha Long Bay this weekend?

43. Parking in this street is prohibited.

      You _You mustn't park here.______________________________________________________________________

44. It’s not a good idea to swim immediately after a meal.

     You shouldn’t swim immediately after a meal. _______________________________________________________________________

45. It’s really important to take this medicine three times a day.

   You must take this medicine three times a day______________________________________________________________________

46. It’s a good idea to listen to the weather forecast before going camping.

      You _______________________________________________________________________

47. It’s a good for you to take exercise every day.

      You _______________________________________________________________________

48. It’s very important not to drink the water there. It will make you ill.

      You _______________________________________________________________________

49. It’s not good to eat lots of sweets.

      You _ shouldn't eat lots of sweets______________________________________________________________________

50. It’s against the rules to use your mobile phone in class.