Correct the sentences by adding a, an, or the.
a I need /new mouse for my computer,
b Why are you always in good
mood?
Red, yellow and blue are three primary colours.
d Photoshop is program for editing digital images.
e Acid rain is big problem in parts of Europe.
We went out for meal last night at Indian restaurant in South Street,
9 My brother became engineer because he liked playing with motors.
h I lost all my work when computer crashed.
This is book she gave me.
j It takes one hour to finish unit of this book.