Electricity is the most common form of energy today. In the modern world electricity is very available at the touch of a switch. Electricity has many uses. The most common use of electricity is to provide artificial lighting. In factories, electricity is used to light up the workplace. It also used to operate air-conditioners, computers and many other machines. Electricity is also used to power the many appliances that we have in our homes. Such appliances include television sets, computers, electric fans, irons and many others. The list is simply endless. Modern man will most probably be lost without electricity.
Read the passage again and choose the best answer.
A. popular B. famous C. expensive D. easy
A. for B. at C. without D. with