Definite, indefinite and zero articles

The C-PEN is _____ easy tool to capture printed information.

• a

• an

• zero article

In _____ USA most people spend a lot of money on gadgets.

My brother is against the use of _____ Artificial Intelligence in robots.

• the

• an

• zero article

I need _____ home robot to help me with the chores.

We need to be at _____ airport in an hour.

• zero article

• the

• a

Most smartphones are made in _____ China.

• the

• zero article

• a

The team has developed _____ new design for the smartphone.

• a

• an

• the

This gadget has _____ unique functionality.

I'm having _____ dinner with my parents.

• a

• an

• zero article

Bill Gates is one of the richest men in _____ world.

• a

• zero article

• the