THANKS TO THE DEVELOPMENT OF INFOMATION...WE CAN COMMUNICATE WITH...

1/ - HE THONG DE KIEM TRA TRAC NGHIEM 15''''ANH 10 CB 2
HE THONG DE KIEM TRA TRAC NGHIEM 15''''ANH 10 CB 2

1/ Thanks to the development of infomation...we can communicate with each other

very quickly through the Internet.

a

technician

b

technical

c

technology

d

technique