Good Riddles

Question: Instruction manual, to and fro, if it’s wrong you'll still go - what is it?

Question: One day, a guy is on the street in the middle of the night , he saw some famous people . He suspect something is not right because the guy saw they are flying so he called a cop .But, the cop immediately went away after he said something to him,after that he knew he is wrong.What did the cop said?(three words)

Question: Mary Jane is stranded on a deserted island in the middle of a huge and deep lake. She cannot swim and all she has is two strings that are each one foot long. All of the boats that she would be able to use are docked at the shore 4 miles away from her. 2 hours later, she is on the shore of the lake. How did she get across the lake?

Question: When you don't have enough of me, you feel a kind of gloom. But when you are using me, it is time that you consume. What am I?

Question: I can't read the clock. What time is it, John?