填空题

A．a necessity
B．an emergency
C．a number of new headaches
D．family arguments
E．big and light palm-sized models
F．countless new facilities

填空题 Nowadays cell phones are equipped with______．

填空题 Cell phones are common in our lives and have become______．

填空题 We can use cell phones to communicate with othors when we encounter______．

填空题 In spite of many benefits，cell phones have brought for their owners______．