Fill in the blanks in each of the following statements:

a) The active control is said to have the ______.

b) The Form acts as a(n) ______for the controls that are added.

c) GUIs are ______driven.

d) Every method that handles the same event must have the same ______.

e) A(n) ______Text Box masks user input with a character used repeatedly.

f) Class ______and class ______help arrange controls on a GUI and provide logical groups for radio buttons.

g) Typical mouse events include ______ and ______ .

h) ______ events are generated when a key on the keyboard is pressed or released.

i) The modifier keys are ______ ,______  and ______ .

j) A(n) ______ event or delegate can be used to call multiple methods.