Rewrite these sentences,using ''must,mustn't,should,shouldn't''. 1.Parking in this street is prohibited.   You                                                           2.It's not a good idea to swim immediately after a meal.   You                                                                                      3.It's really important to take this medicine three times a day.   You                                                                                               4.It's a good idea to listen to the weather forecast before going camping.   You                                                                                                                   5.It's a good for you take exercise every day.   You                                                                       6.It's very important not to drink the water there.It will make you ill.   You                                                                                                             7.It's not good to eat lots of sweets.  You                                                       8.It's against the rules to use your mobile phone in class.    You