Revision Final exam

(a)   is used for individual communication as well as mass communication.

Letters can be sent through (a)  

(a)   is an important means of entertainment today.

In the first steam engines, (a)   was burnt to produce steam.

Dams are constructed across rivers to produce (a)  

Land transport includes .................and .........................

(a)  

(a)   can be sent through a computer connected to a telephone line.

The earliest humans hunted the animals with the help of (a)  

The invention of the s............... e................... made it possible to replace animals in carts by engines.

(a)  

The W (a)   brothers were the first to fly an airplane.