34, Unless you can catch him, You shouldn't run fast.
35, John said, "If I were you, I would take a taxi to the hotel.
36, It's very important to keep the environment clean.
37, Tom asked the guard where he could park his car.
38, I have been learning English since 2010.
39, Would you mind if I borrowed the books on your table?
40, He isn't informed about the updated timetable.
 Have a nice day :)