3、seproblems?Thereare_____________carsPeopleshouldThereis_____________trafficjamPeopleshouldThereis______________airpollutionPeopleshouldThereisnot___________parkinggaragePeopleshouldExercise:1.Mrs Jenny gave us some _______ on how to learn English well. A. advice B. book C. idea D. newspape
4、r2.I failed the English exam, so I’m going to ____ it in the coming year. A. improve B. raise C. do D. increase3.We____ keep the new traffic law and learn how to protect ourselves. A. may B. should C. can D. need4.MustIrideabike___________?A.onthesidewalk(人行道)B.onthebicyclelaneC.onthehighw