In CorelDRAW shortcut keys are very helpful especially when you're on a deadline.
For the new users of coreldraw here are a few:
With your objects selected (you can use the "shift" key on your keyboard when selecting objects or click & drag over the objects you want selected)
T - Aligns all objects to the Top
B - Aligns all objects to the Bottom
L - Aligns all objects to the Left
R - Aligns all objects to the Right
E - Aligns the center of the objects Horizontally
C - Aligns the center of the objects Vertically
You can use the "P" key to center the object(s) on the page.