Easy Riddles and Answers

Question: My first two are male, and my first three female.
My first four save them both, and my whole is a female of the same sort.

What am I?

Question: Wednesday, Tom and Joe went to a restaurant and ate dinner. When they were done they paid for the food and left. But Tom and Joe didn't pay for the food.

Who did?

Question: It's got twists and turns, but has no curves.
Twist it to fix it, turn it to ruin it.

What is it?

Question: A man shaves several times a day, yet he still has a beard.

Who is this man?

Question: You may always chase me but you are always about 3 miles away.

What am I?