Not-So-Hard-Riddles

I speak without a mouth and hear without ears. I have no body, but I come alive with wind. What am I?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

What is seen in the middle of March and April that can’t be seen at the beginning or end of either month?

You measure my life in hours and I serve you by expiring. I’m quick when I’m thin and slow when I’m fat. The wind is my enemy. 

Buto't Balat Lumilipad

SINO ANG SUMASAYAW SA DANCING QUEEN KANINA??

I have keys, but no locks and space, and no rooms. You can enter, but you can’t go outside. What am I?

What gets wet while drying?

How many letters are in the alphabet?

This belongs to you, but everyone else uses it.