Q: use your left and right arrow keys to move your ranger, the up arrow key to jump and the down arrow key to duck.

A: Use your LEFT and RIGHT arrow keys to move Your Ranger, the UP arrow key to jump and the DOWN arrow key to duck.
++++++++
Q: first work the squares they are gradually worked tog.

A: First work the squares they are gradually worked tog.
++++++++
Q: on friday it will be nearly cloudless. the late evening will bring mostly cloudy weather. during the night variable clouds with rain showers will prevail.

A:
On Friday it will be nearly cloudless. The late evening will bring mostly cloudy weather. During the night variable clouds with rain showers will prevail.
++++++++