Read the passage carefully and fill in each blank with an appropriate answer.

Mobile phones are no longer a luxury item in a teenager’s life. Instead, they have become an undeniable

(01) Mobile phones are small, portable, and can be used almost everywhere. Mobile phones have

also become increasingly more (02) with different price ranges and data packages that easily allow

most teenagers to have their own phone, bought and paid for with their own allowance. There is a wide range of mobile

phones, such as the (03) popular smartphones, which (04) interesting

accessories and applications such as cameras and games.

However, the most (05) aspect of teenagers owning mobile phones is that mobile phones are

important for teenager’s safety. In this time and age, the world is not as (06) as it was years ago.

Potential danger, whether in the form of muggers or kidnappers, lurks around every corner. It is therefore important for

a teenager to constantly have a mobile phone at hand. This is (07) their safety and convenience.

Parents can easily call up and check on their teenagers and, in the same manner, teenagers can quickly and easily

(08) his or her parents.

A mobile phone is safe and secure mode of (09) Public telephone booths are increasingly rare

nowadays and may be vandalized or out of order due to poor maintenance. Sometimes, (10) may

only accept exact change or may require a prepaid phone card, which may not be readily available. In situations where

time is of the essence, it is undeniable that mobile phones are both handy and easily accessible.